Table 1 Characteristics of participants in study

Age in years ^a

41.6 (40.4–42.8)

42.2 (40.7–43.6)

44.7 (44.0–45.3)

Female sex ^b

77.9 (72.8–83.0%)

70.8 (65.4–73.2%)

76.8 (74.0–79.6%)

Lives with partner ^b

74.0 (68.2–79.8 %)

74.9 (69.4–80.4%)

64.7 (61.5–67.9%)

Group I ^b

32.3 (26.5–38.1%)

37.4 (31.4–43.4%)

42.9 (39.6–46.2%)

Group II ^b

40.9 (34.9–46.9%)

30.3 (24.6–36.0%)

36.7 (33.5–39.9%)

Group III ^b

26.8 (21.4–32.2%)

32.3 (26.5–38.1%)

20.4 (17.7–23.1%)

Indefinite contract ^b

51.5 (45.4–57.6%)

55.4 (49.6–61.2%)

47.0 (43.7–50.3%)

Urban team ^b

89.2 (85.4–93.0%)

90.1 (86.6–93.6%)

88.1 (79.1–84.3%)

Management responsibilities ^b

34.2 (28.1 40.3%)

34.2 (28.1 40.3%)

32.4 (29.3–35.5%)

Morning shift ^b

53.5 (47.4–59.6%)

56.2 (50.4–62.0%)

48.4 (45.1–51.7%)

Years in Area ^a

10.4 (9.5–11.3)

11.3 (10.5–12.1)

11.2 (10.8–11.7)

High care pressure ^b

37.3 (29.8–44.8%)

29.8 (23.1–36.5%)

53.7 (50.0–57.4%)