Table 1 Comparison between LWDS participants and non-participants (adapted from David, Ware, Donald et al., 2011)

2,176 (55.1%)

5,885 (56.1%)

1

1,775 (44.9%)

4,603 (43.9%)

1.01 (0.93-1.10)

618 (15.6%)

2,246 (21.4%)

0.67 (0.60-0.75)

2,375 (60.1%)

5,649 (53.9%)

1

958 (24.3%)

2,593 (24.7%)

0.88 (0.80-0.97)

3,023 (76.5%)

8,024 (76.5%)

1

738 (18.7%)

1,986 (18.9%)

0.97 (0.87-1.08)

190 (4.8%)

478 (4.6%)

1.11 (0.91-1.34)

1,303 (38.0%)

3,422 (37.0%)

1

805 (23.4%)

2,239 (24.2%)

0.96 (0.85-1.07)

1,325 (38.6%)

3,580 (38.8%)

1.01 (0.92-1.12)

830 (21.0%)

2,491 (23.8%)

1

1,543 (39.1%)

3,883 (37.1%)

1.13 (1.01-1.27)

1,572 (39.9%)

4,100 (39.1%)

1.11 (0.99-1.24)

3,838 (97.2%)

9,969 (95.1%)

1

113 (2.8%)

519 (4.9%)

0.57 (0.45-0.71)