Table 3 Characteristics of subsidised employees who responded in the baseline and follow-up surveys and who did not respond in the follow-up survey, odds ratios and 95% confidence intervals for response at follow-up by characteristic.

20

21

16

1

20

1

47

48

30

1.16 (0.38–3.56)

46

1.10 (0.67–1.83)

33

31

54

0.37 (0.13–1.10)

34

0.94 (0.54–1.63)

23

21

26

1

28

1

77

79

74

1.03 (0.44–2.46)

72

1.63 (1.04–2.54)

29

29

29

1

29

1

48

45

55

0.77 (0.32–1.84)

55

0.83 (0.53–1.30)

23

26

16

1.52 (0.49–4.76)

16

1.92 (1.06–3.48)

8

10

3

1

6

1

15

15

15

0.28 (0.03–2.55)

15

0.59 (0.25–1.43)

27

27

15

0.63 (0.07–5.63)

26

0.61 (0.27–1.38)

50

48

67

0.23 (0.29–1.77)

53

0.55 (0.25–1.20)

69

69

68

1

68

1

31

31

32

1.27 (0.54–2.97)

32

0.99 (0.64–1.54)