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Prevalence (proportion NRTW) among those who participated in the study. The corresponding prevalence for the non-respondents is shown in parentheses
| Values on scale after | True state after | Men | Women | ||
|---|---|---|---|---|---|
| LBP | NP | LBP | NP | ||
| 28 days | 90 days | 0.56 (0.54) | 0.58 (0.60) | 0.65 (0.63) | 0.63 (0.63) |
| 28 days | 1 year | 0.19 (0.17) | 0.27 (0.30) | 0.27 (0.24) | 0.27 (0.25) |
| 28 days | 2 years | 0.12 (0.11) | 0.20 (0.21) | 0.17 (0.15) | 0.20 (0.18) |
| 2 years | 2 years | 0.10 (0.11) | 0.25 (0.21) | 0.19 (0.15) | 0.21 (0.18) |
