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TABLE C-26 Mean and Percentiles for Usual Intake of Zinc (mg/day) from Food and Supplements, NHANES III (1988–1994)

Sex/Age Categorya

Number of Persons Examined

Mean

Percentile

5th

10th

Both sexes, 2 to 6 mo

793

5.51

2.60

3.20

Both sexes, 7 to 12 mo

827

6.11

2.90

3.50

Both sexes, 1 to 3 y

3,309

6.94

3.00

3.60

Both sexes, 4 to 8 y

3,448

9.56

6.56

6.94

M 9 to 13 y

1,219

12.34

8.18

8.85

M 14 to 18 y

909

15.83

8.55

9.56

M 19 to 30 y

1,902

16.94

8.81

10.21

M 31 to 50 y

2,533

16.44

8.74

10.02

M 51 to 70 y

1,942

16.29

7.94

9.07

M 71+ y

1,255

15.08

7.08

7.94

F 9 to 13 y

1,216

10.17

6.68

7.35

F 14 to 18 y

949

9.78

5.19

6.18

F 19 to 30 y

1,901

11.23

5.60

6.33

F 31 to 50 y

2,939

12.14

5.98

6.63

F 51 to 70 y

2,065

12.15

5.36

6.22

F 71+ y

1,368

12.08

5.05

5.66

Pregnant

346

19.97

7.09

8.31

Lactating

99

24.67

10.05

10.60

All Individuals

28,575

13.00

6.34

7.23

All Indiv (+P/L)

29,015

13.14

6.35

7.24

NOTE: Data are limited to individuals who provided a complete and reliable 24-hour dietary recall on day 1. The intake distributions for 2–6 months, 7–12 months, and 1–3 years of age are unadjusted; the total nutrient intake is the sum of the unadjusted food intake and the daily supplement intake. For all other groups, individual total nutrient intakes were obtained as the sum of the adjusted individual usual intake from food alone and the daily supplement intake. The mean and percentiles of the estimated usual intake distributions were computed using SAS PROC UNIVARIATE. Infants and children fed human milk and females who had “blank but applicable” pregnancy and lactating status data or who responded “I don’t know” to questions on pregnancy and lactating status were excluded from all analyses. Females who were both pregnant and lactating were included in both the Pregnant and Lactating categories. The sample sizes for the Pregnant and Lactating categories were very small so their estimates of usual intake distributions are not reliable.



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