Table 2.
Preconception variables | % (n) | Mean birthweight (SD) | P-valuea |
---|---|---|---|
Perceived health status | |||
Excellent, very good | 72% (84) | 3385.1 (681.5) | 0.8755 |
Good, fairb | 28% (32) | 3407.4 (667.1) | |
BMI categories | |||
Normal or underweight | 52% (60) | 3219.1 (656.8) | 0.0157 |
Overweight | 33% (38) | 3575.0 (724.2) | |
Obese | 15% (18) | 3587.0 (456.7) | |
Psychosocial Hassles scale | |||
Low stress | 54% (63) | 3457.3 (694.1) | 0.2571 |
High stress | 46% (53) | 3313.7 (649.4) | |
Smokes cigarettes | |||
Yes | 22% (25) | 3203.5 (664.9) | 0.1165 |
No | 78% (91) | 3443.2 (671.9) | |
Uses alcohol | |||
Yes | 54% (62) | 3380.9 (589.7) | 0.7199 |
No | 46% (52) | 3428.1 (768.6) | |
Uses daily multivitamin with folic acid | |||
Yes | 30% (35) | 3443.6 (571.7) | 0.5661 |
No | 70% (81) | 3369.0 (715.8) | |
Consumes vegetables at least once/day | |||
Yes | 41% (48) | 3586.8 (544.2) | 0.0054 |
No | 59% (68) | 3250.9 (726.5) | |
Consumes fruit at least once/day | |||
Yes | 34% (39) | 3389.3 (694.3) | 0.9838 |
No | 66% (77) | 3392.0 (669.5) | |
Physical activity level meets recommendationsc | |||
Yes | 22% (25) | 3533.5 (730.4) | 0.2346 |
No | 78% (91) | 3351.5 (657.3) |
SD standard deviation
One case had missing birthweight
Based on ANOVA f-test for BMI categories and t-tests for all other variables
No respondents reported “poor” health status
Thirty minutes or more of moderate or vigorous physical activity on most, if not all, days of the week (see text)