Table 1.
Demographic and anthropometric characteristics of participants recruited from Oregon and Texas research studies, presented separately
| Food secure (n 141) | Food insecure (n 75) | P-value | |||
|---|---|---|---|---|---|
| Mean | sd | Mean | sd | ||
| Oregon – children | (n 103) | (n 65) | |||
| Age in years | 4·4 | 0·7 | 4·3 | 0·8 | 0·57 |
| Gender | |||||
| n | 47 | 30 | 0·95 | ||
| % female | 46 | 46 | |||
| BMI z-score | 2·3 | 0·7 | 2·3 | 0·7 | 0·94 |
| BMI percentile | 97 | 5 | 98 | 4 | 0·65 |
| Oregon – parents | |||||
| Age in years | 33 | 7 | 34 | 7 | 0·25 |
| Gender | |||||
| n | 99 | 63 | 0·70 | ||
| % female | 96 | 97 | |||
| BMI | 33 | 7 | 34 | 7 | 0·19 |
| People in household | 5·1 | 1·7 | 5·3 | 1·5 | 0·46 |
| n | % | n | % | ||
| Parental education | 0·02 | ||||
| Less than high school | 55 | 53 | 49 | 75 | |
| High school and some college | 44 | 43 | 15 | 23 | |
| College graduate or more | 4 | 4 | 1 | 2 | |
| Income as % FPL | 0·85 | ||||
| ≤ 100 % FPL | 79 | 77 | 52 | 80 | |
| > 100 FPL | 5 | 5 | 3 | 5 | |
| Not known/refused | 18 | 18 | 10 | 15 | |
| Mean | sd | Mean | sd | ||
| Texas – children | (n 38) | (n 10) | |||
| Age in years | 6·0 | 1·4 | 5·5 | 0·7 | 0·25 |
| Gender | |||||
| n | 18 | 5 | 0·88 | ||
| % female | 47 | 50 | |||
| BMI z-score | 1·9 | 0·8 | 1·7 | 0·6 | 0·46 |
| BMI percentile | 93 | 10 | 92 | 13 | 0·81 |
| Texas – parents | |||||
| Age in years | 36 | 10 | 34 | 7 | 0·55 |
| Gender | |||||
| n | 29 | 18 | 0·43 | ||
| % female | 97 | 100 | |||
| BMI | 32 | 7 | 35 | 8 | 0·26 |
| n | % | n | % | ||
| Parental education | 0·25 | ||||
| Less than high school | 16 | 42 | 7 | 70 | |
| High school diploma or equivalent | 19 | 50 | 3 | 30 | |
| Any college or college graduate | 3 | 8 | 0 | 0 | |
| Income as % FPL | 0·22 | ||||
| ≤ 100 % FPL | 27 | 71 | 9 | 90 | |
| > 100 FPL | 9 | 24 | 0 | ||
| Not known/not sure | 2 | 5 | 1 | 10 | |
FPL = federal poverty line.
All comparisons done using Mann–Whitney U tests for non-parametric data; t tests were used for data approximating a normal distribution; Chi-square tests for categorical data.