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Table 1 Baseline characteristics of study participants in the Women’s Health Initiative (N = 120,495)

From: Marginal structural models for the estimation of the risk of Diabetes Mellitus in the presence of elevated depressive symptoms and antidepressant medication use in the Women’s Health Initiative observational and clinical trial cohorts

 

Antidepressant medication use

No

Yes

Total

No

Yes

Total

N (%)

N (%)

N (%)

N (%)

N (%)

N (%)

WHI-OS N = 68,169

WHI-CT N = 52,326

Baseline presence of elevated depressive symptomsa

  No

54923 (86.7 %)

3440 (71.8 %)

58363 (85.6 %)

42582 (86.7 %)

2238 (70.2 %)

44820 (85.7 %)

  Yes

8457 (13.3 %)

1349 (28.2 %)

9806 (14.4 %)

6557 (13.3 %)

949 (29.8 %)

7506 (14.3 %)

Agea

      

  Mean (SD)

63.7 (7.3)

62.1 (7.3)

63.6 (7.3)

62.8 (6.9)

61.77 (6.9)

62.8 (6.9)

  Median (IQR)

64.0 (11.0)

62.0 (12.0)

64.0 (11.0)

63.0 (11.0)

61.0 (11.0)

63.0 (11.0)

Ethnicitya

      

  American Indian/Alaskan Native

208 (0.3 %)

19 (0.4 %)

227 (0.3 %)

181 (0.4 %)

8 (0.3 %)

189 (0.4 %)

  Asian or Pacific Islander

2009 (3.2 %)

44 (0.9 %)

2053 (3.0 %)

1207 (2.5 %)

22 (0.7 %)

1229 (2.4 %)

  Black/African American

4037 (6.4 %)

158 (3.3 %)

4195 (6.2 %)

4266 (8.7 %)

119 (3.7 %)

4385 (8.4 %)

  Hispanic/Latino

1845 (2.9 %)

146 (3.1 %)

1991 (2.9 %)

1711 (3.5 %)

85 (2.7 %)

1796 (3.4 %)

  White

54614 (86.2 %)

4380 (91.5 %)

58994 (86.5 %)

41243 (83.9 %)

2924 (91.8 %)

44167 (84.4 %)

  Other

667 (1.1 %)

42 (0.9 %)

709 (1.0 %)

531 (1.1 %)

29 (0.9 %)

560 (1.1 %)

Education

      

  <= High school

2409 (3.8 %)

189 (4 %)

2598 (3.8 %)

2302 (4.7 %)

144 (4.5 %)

2446 (4.7 %)

  High school or GED

9765 (15.5 %)

752 (15.9 %)

10517 (15.5 %)

8991 (18.4 %)

587 (18.5 %)

9578 (18.4 %)

  > = High school, but less than 4 years of college

22587 (35.9 %)

1765 (37.2 %)

24352 (36.0 %)

19110 (39.1 %)

1236 (39.0 %)

20346 (39.1 %)

  4 or more years of college

28152 (44.7 %)

2036 (42.9 %)

30188 (44.6 %)

18426 (37.7 %)

1199 (37.9 %)

19625 (37.7 %)

BMIa

      

  Mean (SD)

26.7 (5.5)

27.9 (6.0)

26.8 (5.5)

28.5 (5.6)

29.4 (6.0)

28.5 (5.7)

  Median (IQR)

25.6 (6.3)

26.7 (7.2)

25.7 (6.4)

27.6 (7.2)

28.4 (8.0)

27.6 (7.2)

Minutes of recreational physical activity per weeka

  Mean (SD)

206.9 (186.2)

172.1 (174.8)

204.5 (185.6)

163.2 (169.0)

138.9 (159.2)

161.7 (168.5)

  Median (IQR)

165.0 (225.0)

135.0 (212.5)

165.0 (225.0)

125.0 (215.0)

85.0 (195.0)

120.0 (215.0)

Total energy intake (kcal/day)a

  Mean (SD)

1533.1 (599.9)

1615.1 (640.4)

1538.8 (603.2)

1716.7 (679.5)

1819.7 (711.9)

1723.0 (682.0)

  Median (IQR)

1461.3 (730.1)

1533.2 (765.8)

1465.4 (733.4)

1618.3 (832.5)

1716.3 (870.8)

1623.7 (833.7)

Hormone replacement therapy usea

  Never

18423 (29.6 %)

738 (15.7 %)

19161 (28.6 %)

17793 (37.9 %)

662 (21.6 %)

18455 (36.9 %)

  Former

12885 (20.7 %)

914 (19.4 %)

13799 (20.6 %)

12122 (25.8 %)

760 (24.8 %)

12882 (25.7 %)

  Current

30931 (49.7 %)

3055 (64.9 %)

33986 (50.8 %)

17057 (36.3 %)

1644 (53.6 %)

18701 (37.4 %)

Family history of diabetes

  No

41656 (66.0 %)

3114 (65.2 %)

44770 (65.9 %)

31282 (63.9 %)

2022 (63.7 %)

33304 (63.9 %)

  Yes

18923 (30.0 %)

1463 (30.6 %)

20386 (30.0 %)

15378 (31.4 %)

1004 (31.6 %)

16382 (31.4 %)

  Don’t know

2569 (4.1 %)

198 (4.1 %)

2767 (4.1 %)

2280 (4.7 %)

147 (4.6 %)

2427 (4.7 %)

Smoking statusa

      

  Never smoked

32614 (52.0 %)

2188 (46.2 %)

34802 (51.6 %)

25547 (52.5 %)

1429 (45.2 %)

26976 (52.1 %)

  Past smoker

26685 (42.6 %)

2207 (46.6 %)

28892 (42.9 %)

19615 (40.3 %)

1445 (45.7 %)

21060 (40.6 %)

  Current smoker

3370 (5.4 %)

339 (7.2 %)

3709 (5.5 %)

3495 (7.2 %)

285 (9.0 %)

3780 (7.3 %)

Reported diagnosis of diabetes by end of follow-upa

  No

60077 (94.8 %)

4468 (93.3 %)

64545 (94.7 %)

45269 (92.1 %)

2886 (90.6 %)

48155 (92.0 %)

  Yes

3303 (5.2 %)

321 (6.7 %)

3624 (5.3 %)

3870 (7.9 %)

301 (9.4 %)

4171 (8.0 %)

Years from enrollment to developing diabetesa

  Mean (SD)

7.7 (1.5)

7.6 (1.5)

7.7 (1.5)

8.0 (1.7)

7.9 (1.7)

8.0 (1.7)

  Median (IQR)

7.9 (2.0)

7.9 (2.0)

7.9 (2.0)

8.0 (1.7)

8.00 (1.9)

8.0 (1.8)

  1. aP – value of <0.002 or lower