Table 2. Association of full breastfeeding categories and IMT in young adulthood among females and males.
| Average IMT (mm) | ||||
|---|---|---|---|---|
| N | Full breastfeeding categories | P trend | ||
| 0–17 wks | >17 wks | |||
| Females | 130 | 86 (76.7)1 | 44 (23.3)1 | |
| Model A | 0.55 (0.54, 0.56)2 | 0.56 (0.55, 0.58)2 | 0.1 | |
| Model B3 | 0.55 (0.54, 0.56) | 0.56 (0.55, 0.58) | 0.1 | |
| Males | 104 | 69 (61.1) | 35 (38.9) | |
| Model A | 0.57 (0.56, 0.58) | 0.56 (0.54, 0.58) | 0.6 | |
| Model B4 | 0.57 (0.56, 0.59) | 0.55 (0.54, 0.57) | 0.0917 | |
Average IMT: average of means of right and left side intima media thickness (IMT).
Linear trends (P trend) were obtained in linear regression models with IMT as a continuous variable.
1Values are frequencies (percentages) of breastfeeding durations.
2Values are adjusted least squares means (95% Confidence Interval (CIs)) of IMT.
Model A adjusted for adult age at IMT measurement and the physician taking the IMT measurement.
3Model B among females additionally adjusted for birth year (residuals of birth year were calculated on age at IMT measurement) and maternal age at child birth.
4Model B among males additionally adjusted for birth year (residuals of birth year were calculated on age at IMT measurement).