Table A1.
Multivariate Logistic Regressions Predicting Child Obesity using the Full Sample of Pooled Data from the Early Childhood Longitudinal Study, 1998 Kindergarten Cohort (ECLS-K) and 2001 Birth Cohort (ECLS-B)
| Model “a” with no survey indicator variable for ECLS-B vs. ECLS-K
|
Model “b” with inclusion of survey indicator variable
|
Model “c” with interactions between the survey indicator and all study variables
|
||||
|---|---|---|---|---|---|---|
| β | SE | β | SE | β | SE | |
| Mother’s race/ethnicity (Ref: non-Hispanic white) | ||||||
| Hispanic | 0.553 ** | 0.060 | 0.510 ** | 0.061 | 0.485 ** | 0.073 |
| Non-Hispanic Black | 0.207 ** | 0.074 | 0.184 * | 0.074 | 0.113 | 0.090 |
| Non-Hispanic Asian | 0.005 | 0.093 | −0.115 | 0.096 | 0.170 | 0.120 |
| Non-Hispanic Other | 0.417 ** | 0.102 | 0.320 ** | 0.102 | 0.134 | 0.144 |
| Mother’s education (Ref: < 9th grade) | ||||||
| 9th–12th grade | −0.304 ** | 0.116 | −0.321 ** | 0.116 | −0.181 | 0.144 |
| High school/GED | −0.271 ** | 0.103 | −0.287 ** | 0.103 | −0.104 | 0.127 |
| Some college | −0.347 ** | 0.105 | −0.373 ** | 0.105 | −0.175 | 0.129 |
| Bachelor’s | −0.548 ** | 0.120 | −0.588 ** | 0.120 | −0.412 ** | 0.146 |
| At least some graduate school | −0.569 ** | 0.132 | −0.643 ** | 0.133 | −0.556 ** | 0.167 |
| Log household income | −0.106 ** | 0.024 | −0.099 ** | 0.024 | −0.091 ** | 0.028 |
| Mother’s marital status (Ref: never married) | ||||||
| Married | −0.220 ** | 0.070 | −0.188 ** | 0.071 | −0.194 * | 0.088 |
| Formerly married | −0.169 | 0.081 | −0.123 | 0.082 | −0.120 | 0.099 |
| Birthweight (Ref: average) | ||||||
| Low | −0.413 ** | 0.083 | −0.502 ** | 0.083 | −0.397 ** | 0.120 |
| High | 0.605 ** | 0.063 | 0.623 ** | 0.063 | 0.654 ** | 0.070 |
| Mother’s age at birth | 0.013 ** | 0.004 | 0.013 ** | 0.004 | 0.012 * | 0.005 |
| Multiple birth | 0.029 | 0.110 | −0.139 | 0.112 | −0.088 | 0.209 |
| Female | −0.155 ** | 0.044 | −0.152 ** | 0.044 | −0.151 ** | 0.052 |
| Child’s age | −0.001 | 0.005 | −0.001 | 0.005 | −0.002 | 0.006 |
| Number of Siblings | −0.179 ** | 0.022 | −0.181 ** | 0.022 | −0.154 ** | 0.025 |
| Survey sample control for ECLS-B (Ref: ECLS-K) | 0.404 ** | 0.052 | 1.055 | 0.983 | ||
| Interactions with survey-indicator | ||||||
| (Hispanic) * (ECLS-B) | 0.124 | 0.134 | ||||
| (Non-Hispanic Black) * (ECLS-B) | 0.255 | 0.162 | ||||
| (Non-Hispanic Asian) * (ECLS-B) | −0.647 ** | 0.196 | ||||
| (Non-Hispanic Other) * (ECLS-B) | 0.427 * | 0.212 | ||||
| (9th–12th grade) * (ECLS-B) | −0.429 † | 0.252 | ||||
| (High school/GED) * (ECLS-B) | −0.566 * | 0.224 | ||||
| (Some college) * (ECLS-B) | −0.615 ** | 0.227 | ||||
| (Bachelor’s) * (ECLS-B) | −0.518 * | 0.264 | ||||
| (Graduate school) * (ECLS-B) | −0.231 | 0.283 | ||||
| (Log household income) * (ECLS-B) | −0.028 | 0.057 | ||||
| (Married) * (ECLS-B) | 0.053 | 0.151 | ||||
| (Formerly married) * (ECLS-B) | 0.023 | 0.182 | ||||
| (Low) * (ECLS-B) | −0.234 | 0.166 | ||||
| (High) * (ECLS-B) | −0.146 | 0.160 | ||||
| (Mother’s age at birth) * (ECLS-B) | 0.005 | 0.009 | ||||
| (Multiple) * (ECLS-B) | −0.020 | 0.250 | ||||
| Interactions with survey-indicator | ||||||
| (Female) * (ECLS-B) | −0.015 | 0.097 | ||||
| (Child’s age) * (ECLS-B) | 0.001 | 0.011 | ||||
| (Number of Siblings) * (ECLS-B) | −0.099 * | 0.050 | ||||
| Intercept | −0.459 | 0.437 | −0.629 † | 0.439 | −0.801 | 0.524 |
| Observations 1 | 20,440 | 20,440 | 20,440 | |||
| BIC | 14,916.3 | 14,866.0 | 15,017.4 | |||
| AIC | 14,757.8 | 14,699.6 | 14,700.5 | |||
Notes:
1
All observations are rounded to comply with NCES disclosure guidelines.
All regressions are unweighted.