Table 2.
Demographic characteristics for all children whose parent completed the gastrointestinal questionnaire and stool diary
| Variable | Complete stool diary (n = 1571) n (%) |
Missing stool diary (n = 890) n (%) |
p-value |
|---|---|---|---|
| Male child | 1045 (66.5) | 592 (66.5) | 1.0 |
| Maternal education | < 0.001 | ||
| Some college and less | 587 (37.4) | 428 (48.1) | |
| Bachelor’s degree | 543 (34.6) | 256 (28.8) | |
| Graduate school | 434 (27.6) | 190 (21.3) | |
| Maternal race/ethnicity | < 0.001 | ||
| White non-hispanic | 1061 (67.5) | 454 (51.0) | |
| Other non-hispanic | 317 (20.2) | 308 (34.6) | |
| Hispanic | 181 (11.5) | 107 (12.0) | |
| Mother’s primary language | < 0.001 | ||
| English | 1400 (89.1) | 788 (88.5) | |
| Spanish | 100 (6.4) | 40 (4.5) | |
| Other | 67 (4.3) | 46 (5.2) | |
| Household income | < 0.001 | ||
| < $50 thousand | 460 (29.3) | 346 (38.9) | |
| $50-$90 thousand | 543 (34.6) | 242 (27.2) | |
| > $90 thousand | 506 (32.2) | 249 (28.0) | |
| Genetic/neurological | |||
| 56 (3.6) | 39 (4.4) | < 0.001 | |
|
| |||
| Variable | Mean (SD) | Mean (SD) | p-value |
|
| |||
| Maternal age at child birth | 32.3 (5.3) | 31 (5.9) | < 0.001 |
| Child enrollment age | 55.2 (7.3) | 56.5 (7.5) | < 0.001 |
| MSEL mean score | 88.6 (23.2) | 83.4 (23.2) | < 0.001 |
MSEL Mullen Scales of Early Learning, Genetic/Neurological Associated conditions: down syndrome, fragile X syndrome, Rett syndrome, tuberous sclerosis, cerebral palsy, and neurofibromatosis