Table 2.
Self-reported factors related to health and associations with sick leave after 18 months due to any cause (Study group I)a and due to neck, shoulder and/or back disorders (Study group II)b.
| Number observed | Number observed | Odds Ratio | Odds Ratio | P value | P value | |
| Variable |
Study gp Ia (n = 443)
N (cases) |
Study gp IIb (n = 274)
N (cases) |
Study gp I OR
(95%CI) |
Study gp II OR (95%CI) | Study gp I | Study gp II |
| Anxiety [0c -21] | ||||||
| - <8 | 332 (164) | 217 (16) | ||||
| - ≥8 | 102 (55) | 55 (11) | 1.18 (0.76–1.85) |
3.04 (1.31–7.06) | 0.462 | 0.010 |
| Neck disorders during the year before baseline | ||||||
| - No | 175 (79) | 113 (10) | ||||
| - Yes | 254 (137) | 152 (16) | 1.39 (0.94–2.06) |
1.10 (0.47–2.55) | 0.096 | 0.830 |
| Shoulder disorders during the year before baseline | ||||||
| - No | 146 (67) | 96 (10) | ||||
| - Yes | 281 (147) | 172 (16) | 1.29 (0.86–1.93) |
0.79 (0.34–1.85) | 0.214 | 0.592 |
| Low back disorders during the year before baseline | ||||||
| - No | 164 (64) | 107 (4) | ||||
| - Yes | 265 (152) | 160 (22) | 2.09 (1.40-3.12) | 3.79 (1.26–11.44) | <10-3 | 0.018 |
| Study group I | ||||||
| Any sick leave during the year before baseline | ||||||
| - 0 days | 162 (35) | |||||
| - ≥1 days | 281 (189) | 7.67 (4.86–12.12) |
<10-3 | |||
| Study group II | ||||||
| Sick leave during the year before baseline (other reasons than disorders of the neck, shoulder and/or back) | ||||||
| - <9 days | 204 (16) | |||||
| - ≥9 days | 70 (12) | 2.64 (1.12–6.0) | 0.021 |
a All participants at baseline. b Participants who at baseline reported no sick leave due to neck, shoulder and/or back disorders during the preceding 12 months and who also answered the questionnaire at the 18-month follow-up. Minimum and maximum values are presented within square brackets. c Best possible value. CI = 95% confidence interval. Odds Ratios are adjusted for age and intervention