Table S2.
Using one outpatient or one inpatient code for depression, depression incident proportions, incidence rates per 1,000 person-years, and adjusted and unadjusted HRs in mothers and fathers in relationship with GDM status, as computed through stratified Cox proportional regression hazards models (Quebec, Canada; 1990–2007)
| 24 weeks gestation to delivery | Delivery to 1 year postpartum | 1 year postpartum to study end | ||||
|---|---|---|---|---|---|---|
| Non-GDM pregnancy | GDM pregnancy | Non-GDM pregnancy | GDM pregnancy | Non-GDM pregnancy | GDM pregnancy | |
| Mothers | ||||||
| Cases of depression (n) | 0.42% (124) | 0.78% (228) | 1.72% (503) | 1.70% (496) | 20.78% (6,067) | 21.88% (6,389) |
| Depression cases/1,000 person-years (95% CI) | 12.73 (10.68, 15.06) | 23.44 (20.59, 26.58) | 13.42 (12.29, 14.62) | 13.52 (12.39, 14.72) | 18.65 (18.18, 19.11) | 19.78 (19.29, 20,26) |
| Unadjusted HR (95% CI) | 1 (reference) | 1.28 (0.95, 1.73) | 1 (reference) | 0.98 (0.87, 1.11) | 1 (reference) | 1.05 (1.01, 1.09) |
| Adjusted HRa (95% CI) | 1 (reference) | 1.44 (0.89, 2.35) | 1 (reference) | 0.91 (0.80, 1.47) | 1 (reference) | 1.08 (0.98, 1.19) |
| Fathers | ||||||
| Cases of depression (n) | 0.10% (31) | 0.12% (38) | 0.72% (229) | 0.72% (228) | 11.90% (3,770) | 11.96% (3,790) |
| Depression cases/1,000 person-years (95% CI) | 3.19 (2.25, 4.41) | 3.91 (2.86, 5.25) | 5.63 (4.95, 6.39) | 5.65 (4.96, 6.41) | 10.43 (10.10, 10.76) | 10.49 (10.16, 10.83) |
| Unadjusted HR (95% CI) | 1 (reference) | 1.14 (0.64, 2.05) | 1 (reference) | 1.00 (0.83, 1.20) | 1 (reference) | 1.01 (0.96, 1.06) |
| Adjusted HRa (95% CI) | 1 (reference) | 2.01 (0, INF) | 1 (reference) | 0.92 (0.55, 1.38) | 1 (reference) | 1.00 (0.95, 1.05) |
Note:
a
Adjusted for not living with partner at the time of delivery, parity, gestational hypertension, preterm delivery, size of infants at birth, comorbid conditions, deprivation level, and ethnocultural background.
Abbreviations: GDM, gestational diabetes mellitus; INF, infinity.