Chapter 3. Infant Feeding |
Table |
Title |
Variables Used |
3.1 |
Percent of babies who were fed each food in the past 7 days by infant age |
N40A-I, M2A1A-S, M3A1A-S, M4A1A-S, M5A1A-S, M6A1A-S, M7A1A-R, M9A1A-R, MXA1A-R, MWA1A-R |
3.2 |
Median number of feedings of each food in the past 7 days by infant age, among babies who consumed each food |
N40A-I, M2A1A-S, M3A1A-S, M4A1A-S, M5A1A-S, M6A1A-S, M7A1A-R, M9A1A-R, MXA1A-R, MWA1A-R |
3.3 |
Percent of babies who were fed any breast milk in the past 7 days by infant age and selected demographics |
N40A, M2A1A, M3A1A, M4A1A, M5A1A, M6A1A, M7A1A, M9A1A, MXA1A, MWA1A |
3.4 |
Percent of babies who were exclusively breastfed in the past 7 days by infant age and selected demographics |
N40A-I, M2A1A-S, M3A1A-S, M4A1A-S, M5A1A-S, M6A1A-S, M7A1A-R, M9A1A-R, MXA1A-R, MWA1A-R |
3.5 |
Percent of babies who were fed each type of cereal in the past 7 days by infant age |
N42A-C, M2A2A-C, M3A2A-C, M4A2A-C, M5A2A-C |
3.6 |
Percent of babies who were usually fed any milks, meals and snacks at each number of times in a 24 hour period in the past 7 days by infant age |
M6A2, M7A2, M9A2, MXA2, MWA2 |
3.7 |
Percent of babies who were given the following in vitamin or mineral drops or pills at least 3 days a week in the past 2 weeks by infant age |
N45A-E, M2A3A-E, M3A3A-E, M4A3A-E, M5A3A-E, M6A3A-E, M7A3A-E, M9A3A-E, MXA3A-E, MWA3A-E |
3.8 |
Percent of babies who used a pacifier in the past 7 days by infant age and selected demographics |
N66, M2A4, M3A4, M4A4, M5A4, M6A4, M7A4, M9A4, MXA4, MWA4 |
3.9 |
Percent of babies who were put to bed with a bottle of formula, breast milk, juice, juice drink, or any other kind of milk at each frequency in the past 2 weeks by infant age |
M2A5, M3A5, M4A5, M5A5, M6A5, M7A5, M9A5, MXA5, MWA5 |
3.10 |
Percent of mothers who added each item to their baby’s bottle of formula or pumped breast milk at each frequency in the past 2 weeks by infant age |
M2A6A-E, M3A6A-E, M4A6A-E, M5A6A-E, M6A6A-E, M7A6A-E, M9A6A-E, MXA6A-E, MWA6A-E |
3.11 |
Percent of mothers who chewed up food and then gave to their baby in the past 2 weeks by infant age and selected demographics |
M4A7, M5A7, M6A7, M7A7, M9A7, MXA7, MWA7 |
3.12 |
Percent of babies who drank all of their bottle or cup of formula with each frequency by infant age, among formula fed babies |
M2A7, M3A7, M4A9, M5A8, M6A8, M7A8, M9A8, MXA9, MWA8 |
3.13 |
Percent of babies who were encouraged with each frequency to finish a bottle or a cup if they stopped drinking before the formula was all gone by infant age, among formula fed babies |
M2A9, M3A9, M4A11, M5A10, M6A10, M7A10, M9A10, MXA11, MWA10 |
3.14 |
Percent of babies who drank each number of ounces of formula at each feeding in the past 7 days by infant age, among formula fed babies |
N46, M2A8, M3A8, M4A10, M5A9, M6A9, M7A9, M9A9, MXA10, MWA9 |
3.15 |
Percent of babies who were fed each formula group in the past 7 days by infant age, among formula fed babies |
N47_1-6, M2A10_1-6, M3A10_1-6, M4A12_1-6, M5A11_1-6, M6A11_1-6, M7A11_1-6, M9A11_1-6, MXA11_1-6, MWA11_1-6 |
3.16 |
Percent of babies who were fed each type of formula in the past 7 days by infant age, among formula fed babies |
N48A-D, M2A11A-D, M3A11A-D, M4A13A-D, M5A12A-D, M6A12A-D, M7A12A-D, M9A12A-D, MXA12A-D, MWA12A-D |
3.17 |
Percent of mothers describing the iron content of the formula they usually fed their babies with by infant age, among formula fed babies |
N49, M2A12, M3A12, M4A14, M5A13, M6A13, M7A13, M9A13, MXA13, MWA13 |
3.18 |
Percent of babies who usually fed from both breasts at each feeding by infant age and selected demographics, among breastfed babies |
N56, M2A13, M3A13, M4A15, M5A14, M6A14, M7A14, M9A14, MXA15, MWA14 |
3.19 |
Percent of babies who usually let go of the breast themselves by infant age, among breastfed babies |
N57, M2A14, M3A14, M4A16, M5A15, M6A15, M7A15, M9A15, MXA16, MWA15 |
3.20 |
Percent of mothers whose average breastfeeding lasted for each length of time by infant age, among breastfeeding mothers |
N58, M2A15, M3A15, M4A17, M5A16, M6A16, M7A16, M9A16, MXA17, MWA16 |
3.21 |
Median longest interval in hours between breastfeeding or expressing breast milk in a regular 24 hour period by infant age and selected demographics, among breastfeeding mothers |
N60, M2A16, M3A16, M4A18, M5A17, M6A17, M7A17, M9A17, MXA18, MWA17 |
3.22 |
Percent of babies fed expressed or pumped breast milk in the past 7 days by infant age and selected demographics, among breastfed babies |
N61, M2A17, M3A17, M4A19, M5A18, M6A18, M7A18, M9A18, MXA19, MWA18 |
3.23 |
Median number of feedings of expressed or pumped breast milk in the past 7 days by infant age and selected demographics, among babies fed pumped breast milk in the past 7 days |
N61, M2A17, M3A17, M4A19, M5A18, M6A18, M7A18, M9A18, MXA19, MWA18 |
3.24 |
Percent of babies who drank all of their cup or bottle of pumped milk by infant age, among babies fed pumped breast milk in the past 7 days |
M2A17, M2A18, M3A17, M3A18, M4A19, M4A20, M5A18, M5A19, M6A18, M6A19, M7A18, M7A19, M9A18, M9A19, MXA19, MXA20, MWA18, MWA19 |
3.25 |
Percent of babies who were encouraged to finish a cup or bottle if they stopped drinking before the pumped breast milk was all gone by infant age, among babies fed pumped breast milk in the past 7 days |
M2A17, M2A19, M3A17, M3A19, M4A19, M4A21, M5A18, M5A20, M6A18, M6A20, M7A18, M7A20, M9A18, M9A20, MXA19, MXA21, MWA18, MWA20 |
3.26 |
Percent of mothers indicating each reason for feeding their babies solid food for the very first time, among babies fed solid food |
M5A21A-L, M9A21A-L |
3.27 |
Percent of each kind of food fed to babies that was commercial baby food in the past 7 days by infant age, among babies fed any food or drink besides breast milk or formula |
M5A22A-D, M6A21A-D, M7A21A-D, M9A22A-D, MXA22A-D, MWA21A-D |
3.28 |
Percent feeding fruit juice that was fortified with calcium with each frequency by infant age, among babies fed any food or drink besides breast milk or formula |
M5A23, M6A22, M7A22, M9A23, MXA23, MWA22 |
3.29 |
Percent of mothers introducing new foods to their babies with each frequency in the past 2 weeks by infant age, among babies fed any food or drink besides breast milk or formula |
M5A24, M6A23, M7A23, M9A25, MXA27, MWA24 |
3.30 |
Percent of mothers whose babies ate restaurant food at a restaurant for each number of times in the past 7 days of month 10 survey by selected demographics, among babies fed any food or drink besides breast milk or formula |
MXA25 |
3.31 |
Percent of mothers whose babies ate food delivered or carried out from a restaurant for each number of times in the past 7 days of month 10 survey by selected demographics, among babies fed any food or drink besides breast milk or formula |
MXA26 |
3.32 |
Percent adding salt to the foods fed to babies with each frequency in the past 2 weeks by infant age, among mothers who had fed any food or drink besides breast milk or formula |
M9A26, MXA28, MWA25 |
3.33 |
Percent of mothers who used iodized salt for the baby’s food by infant age and selected demographics, among mothers who added salt to their baby’s food in the past 2 weeks |
M9A27, MXA29, MWA26 |
3.34 |
Percent of mothers who gave their babies each kind of cow’s milk in the past 7 days by infant age, among mothers who fed any food or drink besides breast milk or formula |
M9A24A-H, MXA24A-H, MWA23A-H |
3.35 |
Percent of mothers who breastfed their babies as long as they wanted to by breastfeeding duration and selected demographics, among mothers who completely stopped breastfeeding and pumping milk for their baby during the study |
M_B4 |
3.36 |
Percent of mothers who completely stopped breastfeeding and pumping milk in each infant age group by selected demographics, among breastfeeding mothers |
BFDURATN |
3.37 |
Percent of mothers indicating each reason for stopping breastfeeding by infant age at weaning |
M_B6A-FF |
3.38 |
Percent of mothers who thought various people wanted them to stop breastfeeding , among mothers who completely stopped breastfeeding and pumping milk for their infant in each age group |
M_B7A-G |
3.39 |
Percent of mothers who rated their breastfeeding experience in each way, among mothers who completely stopped breastfeeding and pumping milk for their infant in each age group |
M_B8 |
3.40 |
Percent of mothers who rated their likelihood of breastfeeding a subsequent child, among mothers who completely stopped breastfeeding and pumping milk for their infant in each age group |
M_B9 |
3.41 |
Percent of mothers who would feel comfortable nursing their baby in the presence of close women friends prenatally and at various infant ages in months by selected demographics, among mothers who intended to or breastfed their baby |
P33A, N59A, M2D3A, M5D2A, M7D2A |
3.42 |
Percent of mothers who would feel comfortable nursing their baby in the presence of men and women who are close friends prenatally and at various infant ages in months by selected demographics, among mothers who intended to or breastfed their baby |
P33B, N59B, M2D3B, M5D2B, M7D2B |
3.43 |
Percent of mothers who would feel comfortable nursing their baby in the presence of men and women who are not close friends prenatally and at various infant ages in months by selected demographics, among mothers who intended to or breastfed their baby |
P33C, N59C, M2D3C, M5D2C, M7D2C |
3.44 |
Percent of mothers who said that they expected to completely stop breastfeeding when their infant was each age prenatally and at various infant ages in months, among mothers who intended to or breastfed their baby |
P31, N62, M2D5, M5D4, M7D4 |
3.45 |
Percent of mothers who felt confident that they would be able to breastfeed until the baby’s age they desired prenatally and at various infant ages in months by selected demographics, among mothers who intended to or breastfed their baby |
P32, N63, M2D6, M5D5, M7D5 |
3.46 |
Percent of mothers who worked for pay any time in the past 4 weeks by infant age and selected demographics, among breastfeeding mothers |
M2D10, M5D9, M7D9 |
3.47 |
Percent of mothers indicating each method of feeding their baby breast milk while they were working by infant age, among mothers who worked for pay while breastfeeding |
M2D11A-F, M5D10A-F, M7D10A-F |
3.48 |
Percent of babies who were fed formula either by mother or anyone else in the past 2 weeks by infant age and selected demographics, among babies who were breastfed |
M2D12, M5D11, M7D11 |
3.49 |
Percent of mothers indicating each reason for feeding their baby formula by infant age, among mothers who were currently feeding their infant both breast milk and formula |
M2D13A-U, M5D12A-U, M7D12A-U |
3.50 |
Percent of mothers who pumped or tried to pump milk by infant age and selected demographics, among mothers who breastfed at each age |
M2D14, M5D13, M7D13 |
3.51 |
Median infant age in weeks when mothers pumped or tried to pump milk the first time by selected demographics, among mothers who pumped or tried to pump milk in the past 2 or 3 months before completing each survey |
M2D15, M5D14, M7D14 |
3.52 |
Percent of mothers who used each method to pump or express milk by infant age, among mothers who pumped at each age |
M2D16A-E, M5D15A-E, M7D15A-E |
3.53 |
Percent of mothers who used each number of breast pumps by infant age and selected demographics, among mothers who used a pump at each age |
M2D17, M5D16, M7D16 |
3.54 |
Percent of mothers who used each type of pump most often by infant age, among mothers who used a pump at each age |
M2D18, M5D17, M7D17 |
3.55 |
Percent of mothers who got the breast pump they used most often from each source by infant age, among mothers who used a pump at each age |
M2D19, M5D18, M7D18 |
3.56 |
Percent of mothers whose most often used pump was new when the mother got it or began using it by infant age and selected demographics, among mothers who used a pump at each age |
M2D20, M5D19, M7D19 |
3.57 |
Percent of mothers who learned how to use the breast pump they used most often in each way by infant age, among mothers who used a pump at each age |
M2D21A-F, M5D20A-F, M7D20A-F |
3.58 |
Percent of mothers satisfied with the performance of the breast pump they used most often by infant age and selected demographics, among mothers who used a pump at each age |
M2D22, M5D21, M7D21 |
3.59 |
Percent of mothers hurt by any breast pumps by infant age and selected demographics, among mothers who used a pump at each age |
M2D23, M5D22, M7D22 |
3.60 |
Percent of mothers hurt by each type of breast pump by infant age, among mothers who were hurt by a pump at each age |
M2D24A-D, M5D23A-D, M7D23A-D |
3.61 |
Percent of mothers hurt by a breast pump in each way by infant age, among mothers who were hurt by a pump at each age |
M2D25A-E, M5D24A-E, M7D24A-E |
3.62 |
Percent of mothers who went to a medical doctor, lactation consultant, or other health professional because of injuries from a breast pump by infant age and selected demographics, among mothers who were hurt by a pump at each age |
M2D26, M5D25, M7D25 |
3.63 |
Percent of mothers who had each problem with a breast pump by infant age, among mothers who used a pump at each age |
M2D27A-H, M5D26A-H, M7D26A-H |
3.64 |
Percent of mothers who called the breast pump manufacturer to get help or to report the injury or problem by infant age and selected demographics, among mothers who had any problems with a pump they used at each age |
M2D28, M5D27, M7D27 |
3.65 |
Percent of mothers who stopped breastfeeding for a while or completely because of breast pump injury or problems by infant age and selected demographics, among mothers who had any problems with a pump they used at each age |
M2D29, M5D28, M7D28 |
3.66 |
Percent of mothers who stopped using the breast pump that injured them or that they had trouble with by infant age and selected demographics, among mothers who had any problems with a pump they used at each age |
M2D30, M5D29, M7D29 |
3.67 |
Percent of mothers who used each method to express milk by infant age, among mothers who stopped using the pump that hurt them at each age |
M2D31, M5D30, M7D30 |
3.68 |
Median number of times mothers pumped milk in the past 2 weeks by infant age and selected demographics, among mothers who pumped milk at each age |
M2D32, M5D31, M7D31 |
3.69 |
Percent of mothers who pumped on a regular schedule by infant age and selected demographics, among mothers who pumped milk at each age |
M2D33, M5D32, M7D32 |
3.70 |
Median infant age in weeks when mothers first began pumping milk on a regular schedule by selected demographics, among mothers who pumped milk on a regular schedule at each age |
M2D34, M5D33, M7D33 |
3.71 |
Percent of mothers pumping each number of ounces of milk per pumping session in the past two weeks by infant age, among mothers who pumped milk at each age |
M2D35, M5D34, M7D34 |
3.72 |
Percent of mothers indicating each reason for pumping milk in the past two weeks by infant age, among mothers who pumped milk at each age |
M2D36A-I, M5D35A-I, M7D35A-I |
3.73 |
Percent of mothers who collected milk from both breasts at the same time with each frequency by infant age, among mothers who pumped milk at each age |
M2D37, M5D36, M7D36 |
3.74 |
Percent of mothers who stored their milk in the refrigerator for each number of days in the past two weeks by infant age, among mothers who pumped milk at each age |
M2D38, M5D38, M7D38 |
3.75 |
Percent of mothers who usually kept their milk at room temperature for each number of hours in the past two weeks by infant age, among mothers who pumped milk at each age |
M2D39, M5D39, M7D39 |
3.76 |
Percent of mothers who cleaned bottle nipples in each way before using again in the past two weeks by infant age, among mothers who used bottle nipples to feed pumped breast milk at each age |
M2D40A-E, M5D40A-E, M7D40A-E |
3.77 |
Percent of the following items that were boiled, sterilized in a microwave kit, sterilized with a chemical dip, or washed in a dishwasher with each frequency in the past two weeks by infant age, among mothers who pumped milk at each age |
M2D41A-B, M5D41A-B, M7D41A-B |
3.78 |
Percent of mothers who heated pumped milk in a microwave oven with each frequency by infant age, among mothers who pumped milk at each age |
M2D42, M5D42, M7D42 |
3.79 |
Percent of mothers who mixed formula with breast milk in the same bottle in the past two weeks by infant age and selected demographics, among mothers who pumped milk at each age |
M2D43, M5D43, M7D43 |
3.80 |
Percent of mothers who mixed formula and breast milk in each way by infant age, among mothers who mixed formula and breast milk in the same bottle at each age |
M2D44A-C, M5D44A-C, M7D44A-C |
3.81 |
Percent of mothers of 2-month old infants who thought each form of formula was likely to contain germs by selected demographics |
M2E1A-C |
3.82 |
Percent of mothers whose babies were fed infant formula in the past two weeks by infant age and selected demographics |
M2E2, M5E1, M7E1, M9E1 |
3.83 |
Percent of mothers of 2-month old infants who read each type of direction or statement on the package of the formula they had used most often by selected demographics, among formula feeding mothers |
M2E3A-E |
3.84 |
Percent of mothers of 2-month old infants who felt the infant formula directions and statements they read were hard to understand by selected demographics, among mothers who had read this information |
M2E4 |
3.85 |
Percent of mothers of 2-month old infants who had difficulty understanding each type of direction or statement on the formula package, among mothers who felt it hard to understand any of this information |
M2E5A-D |
3.86 |
Percent of mothers of 2-month old infants feeling that all the information they wanted was included in all of the formula directions and statements they read by selected demographics, among mothers who had read any of this information |
M2E6 |
3.87 |
Percent of mothers of 2-month old infants feeling that a piece of information was missing from a formula direction or statement by selected demographics, among mothers who felt that not all of the information they wanted was included |
M2E7A-D |
3.88 |
Percent of mothers of 2-month old infants who felt the print size for the formula directions and statements was too small or large enough to read easily by selected demographics, among formula feeding mothers |
M2E8 |
3.89 |
Percent of mothers of 2-month old infants who looked at the pictures on the formula container showing how to prepare the formula by selected demographics, among formula feeding mothers |
M2E9 |
3.90 |
Percent of mothers of 2-month old infants who felt the pictures showing how to prepare formula had each level of usefulness by selected demographics, among mothers who looked at these pictures |
M2E10 |
3.91 |
Percent of mothers of 2-month old infants who attributed each level of importance to following the label directions that say to feed or refrigerate the prepared formula immediately or discard the formula by selected demographics, among formula feeding mothers |
M2E11 |
3.92 |
Percent of mothers of 2-month old infants who looked at the list of ingredients on infant formula cans by selected demographics, among formula feeding mothers |
M2E12 |
3.93 |
Percent of mothers of 2-month old infants who compared brands of infant formula by selected demographics, among mothers who looked at the ingredient list |
M2E13 |
3.94 |
Percent of mothers of 2-month old infants who looked for any specific ingredients or formula characteristics in the ingredient list or on any other part of the label by selected demographics, among formula feeding mothers |
M2E14 |
3.95 |
Percent of mothers who were told by a doctor, health professional, or birthing class how to prepare formula by infant age and selected demographics, among formula feeding mothers |
M2E16, M5E2 |
3.96 |
Percent of mothers who were told by a doctor, health professional, or birthing class how to store prepared bottles of formula by infant age and selected demographics, among formula feeding mothers |
M2E17, M5E3 |
3.97 |
Percent of babies whose formula was mixed with each type of water in the past 2 weeks by infant age, among formula fed babies |
M2E18A-D, M5E4A-D, M7E2A-D, M9E2A-D |
3.98 |
Percent of babies whose water to mix formula was boiled by infant age, among babies whose formula was mixed with water |
M2E19A-B, M5E5A-B, M7E3A-B |
3.99 |
Percent of babies whose bottle of formula was heated in a microwave oven with each frequency by infant age, among babies fed infant formula in the past 2 weeks |
M2E20, M5E6, M7E4, M9E3 |
3.100 |
Percent of babies whose bottle nipples used to feed formula were cleaned in each way and at each frequency in the past 2 weeks by infant age, among formula fed babies |
M2E21A-E, M5E7A-E, M7E5A-E, M9E4A-E |
3.101 |
Percent of mothers who cleaned their hands in each way before preparing formula and at each frequency in the past 2 weeks by infant age, among formula feeding mothers |
M2E22A-E, M5E8A-E, M7E6A-E, M9E5A-E |
3.102 |
Percent of babies whose bottles of prepared formula were usually kept at room temperature for each time period in the past 2 weeks by infant age, among formula fed babies |
M2E23, M5E9, M7E7, M9E6 |
3.103 |
Percent of mothers who gave each reason for their decision to use the formula they fed their baby in the past 7 days by infant age, among formula feeding mothers |
N50A-J, M2E24A-J, M5E10A-J, M7E8A-J, M9E7A-J |
3.104 |
Percent of mothers who discussed their choice of formula with the baby’s doctor by infant age and selected demographics, among formula feeding mothers |
N51, M2E25, M5E11, M7E9, M9E8 |
3.105 |
Percent of mothers who switched the formula they fed their baby each number of times in the past 2 weeks by infant age, among formula feeding mothers |
N52, M2E26, M5E12, M7E10, M9E9 |
3.106 |
Percent of mothers who stopped using a formula in each group in the past 2 weeks by infant age, among mothers who switched formula at each age |
M2E27_1-6, M5E13_1-6, M7E11_1-6, M9E10_1-6 |
3.107 |
Percent of mothers who switched formula because they thought the baby had a problem with the formula being used by infant age and selected demographics, among mothers who switched formula at each age |
N53, M2E28, M5E14, M7E12, M9E11 |
3.108 |
Percent of babies who had each type of problem with formula by infant age, among babies whose formula was switched due to some problems |
N54A-H, M2E29A-H, M5E15A-H, M7E13A-H, M9E12A-H |