Table 2 Adjusted individual and DA-level fixed effects on continuous birth weight
Variables | Model-1 | Model-2 | Model-3 |
|---|---|---|---|
|  | β (95 % CI) | β (95 % CI) | β (95 % CI) |
Level-1 (individual) | Â | Â | Â |
 Gestational age | 310.2 (307.6 – 312.7) | 308.7 (306.1 – 311.2) | 308.5 (306.0 – 311.1) |
  Gestational agea | -11.6 (-12.2 – -11.1) | -11.9 (-12.4 – -11.3) | -11.9 (-12.5 – -11.4) |
 Maternal age | -6.6 (-8.6 – -4.7) | -6.0 (-8.0 – -4.0) | -4.7 (-6.6 – -2.7) |
 Nulliparous | -137.2 (-141.0 – -133.4) | -135.7 (-139.5 – -131.9) | -134.8 (-138.6 – -131.1) |
 Gestational diabetes | 54.5 (47.1 – 61.8) | 60.0 (52.7 – 67.4) | 62.0 (54.6 – 69.4) |
 Pre-existing diabetes | 320.7 (292.1 – 349.3) | 320.6 (292.1 – 349.1) | 321.2 (292.6 – 349.7) |
 Gestational hypertension | -90.1 (-102.3 – -77.9) | -88.9 (-101.0 – -76.7) | -87.6 (-99.7 – -75.4) |
 Prenatal care visits | -59.0 (-65.3 – -52.8) | -55.0 (-61.2 – -48.7) | -52.2 (-58.4 – -45.9) |
 Drug/Alcohol flag | -79.1 (-91.2 – -67.1) | -79.2 (-91.2 – -67.2) | -81.7 (-93.7 – -69.7) |
 Cigarettes/day | -20.8 (-22.5 – -19.0) | -22.0 (-23.8 – -20.3) | -22.7 (-24.4 – -20.9) |
  Cigarettes/daya | 0.63 (0.51 – 0.74) | 0.68 (0.57 – 0.79) | 0.7 (0.59 – 0.82) |
 Fall/Winter season | −− | −− | -6.8 (-10.4 – -3.2) |
Level-2 (DA) | Â | Â | Â |
 SESi | −− | 37.4 (35.2 – 39.7) | 29.4 (27.0 – 31.8) |
 Higher education | −− | -2.1 (-4.4 – 0.2) | 3.0 (0.7 – 5.3) |
 Immigrant density | −− | -29.2 (-31.4 – -26.9) | -31.3 (-33.5 – -29.1) |
 Rural address | −− | 4.8 (-3.4 – 12.9) | -14.6 (-22.6 – -6.7) |
 PM2.5 | −− | −− | -23.9 (-26.5 – -21.3) |
 PM2.5 a | −− | −− | 2.8 (1.3 – 4.3) |