Skip to main content

Advertisement

Table 6 Results of regression models predicting waist-to-height ratio, body mass index, and obesity from randomly selected subset of the sibling pair sample, n = 856, Add Health Study 1994–2008

From: Breastfeeding is associated with waist-to-height ratio in young adults

  Waist-to-height ratio outcome* Body mass index outcome** Body mass index ≥ 30 outcome***
  b SE P value b SE P value OR 95 % CI P value
Intercept 0.415 0.067 <0.0001 19.782 5.060 <0.0001 0 0 0
Sex 0.042 0.007 <0.0001 0.564 0.524 0.282 1.127 (0.83, 1.53) 0.439
Age −0.001 0.002 0.665 −0.045 0.147 0.762 0.993 (0.91, 1.08) 0.863
Breastfeeding −0.025 0.008 0.001 −1.604 0.576 0.005 0.695 (0.50, 0.97) 0.033
Birthweight >2500 g Reference Reference Reference Reference Reference Reference Reference Reference Reference
Birthweight <2500 g 0.006 0.010 0.524 0.174 0.749 0.816 1.213 (0.80, 1.85) 0.369
Birthweight Missing 0.011 0.019 0.563 0.988 1.460 0.499 1.129 (0.49, 2.58) 0.774
Parent nonsmoker Reference Reference Reference Reference Reference Reference Reference Reference Reference
Parent smoker 0.005 0.010 0.619 0.318 0.784 0.685 0.955 (0.61, 1.50) 0.840
Parent smoking missing 0.005 0.010 0.625 0.724 0.726 0.319 0.998 (0.66, 1.52) 0.994
Non-Hispanic African American Reference Reference Reference Reference Reference Reference Reference Reference Reference
Non-Hispanic White −0.022 0.030 0.455 −2.317 2.228 0.299 0.382 (0.11, 1.37) 0.140
Non-Hispanic Asian/Native American 0.022 0.053 0.682 2.978 3.954 0.452 0.378 (0.3, 4.90) 0.456
Hispanic −0.034 0.028 0.227 −2.587 2.138 0.227 0.594 (0.17, 2.03) 0.406
Behavioral risk score 4_1 −0.013 0.004 0.001 −0.534 0.305 0.080 0.827 (0.69, 0.99) 0.044
Behavioral risk score 4_2 0.000 0.004 0.990 −0.044 0.328 0.894 1.038 (0.85, 1.27) 0.713
Behavioral risk score 4_3 0.003 0.006 0.616 0.296 0.419 0.480 1.174 (0.92, 1.50) 0.200
Parent socioeconomic status −0.017 0.008 0.025 −0.975 0.567 0.086 0.653 (0.47, 0.91) 0.011
Maternal obesity 0.039 0.008 <0.0001 3.339 0.619 <0.0001 2.433 (1.72, 3.45) <0.0001
Genetic risk score 0.005 0.001 <0.0001 0.412 0.080 <0.0001 1.079 (1.03, 1.13) 0.001
Ancestry principal component 1 0.575 0.599 0.338 36.065 45.094 0.424 0 0 0
Ancestry principal component 2 −0.416 0.398 0.297 −8.198 29.971 0.785 0 0 0
Ancestry principal component 3 0.982 0.237 <0.001 67.069 17.867 <0.001 0 0 0
Ancestry principal component 4 0.008 0.164 0.961 4.257 12.316 0.730 0 0 0
Ancestry principal component 5 0.346 0.205 0.092 29.949 15.419 0.052 0 0 0
  1. b (Coefficient) SE (Standard Error) OR (Odds Ratio) 95 % CI (95 % Confidence Interval)
  2. * R-Squared = 0.18
  3. ** R-Squared = 0.13
  4. *** This analysis also controlled for genetic ancestry which is not displayed in the above table