Table 4. Risk for offspring chronic musculoskeletal pain associated with the combined effect of parental chronic musculoskeletal pain and offspring body mass index.
| Offspring activity-interfering CMP | ||||
|---|---|---|---|---|
| Variables | Normal weight | Overweight | Obese | |
| No CMP | ||||
| Cases/non-cases | 67/399 | 57/265 | 11/57 | |
| Age-adjusted RR | 1.00 | 1.30 | 1.15 | |
| RRa | 1.00 (Ref.) | 1.24 (0.91, 1.70) | 1.12 (0.63, 1.98) | |
| Any CMP, one parent | ||||
| Case/non-case | 282/928 | 282/928 | 87/254 | |
| Age-adjusted RR | 1.36 | 1.66 | 1.75 | |
| RRa | 1.34 (1.04, 1.71) | 1.57 (1.23, 2.02) | 1.60 (1.19, 2.15) | |
| Any CMP, both parents | ||||
| Case/non-case | 113/454 | 113/349 | 41/71 | |
| Age-adjusted RR | 1.37 | 1.78 | 2.57 | |
| RRa | 1.32 (1.00, 1.74) | 1.67 (1.27, 2.20) | 2.33 (1.68, 3.24) | |
CMP: chronic musculoskeletal pain, CI: confidence interval, RR: relative risk.
aAdjusted for offspring factors in HUNT2; age (continuous), sex, leisure time physical activity (inactive, low, moderate, high, or unknown), physical work demands (mostly sedentary, much walking, much walking and lifting, heavy physical work, or unknown), psychological well-being (satisfied, somewhat satisfied, dissatisfied, or unknown), and education (<10 years, 10–12 years, ≥13 years, or unknown).