Table 3. Effects of the intervention (change from baseline in the number of days with pain or drug consumption at month 7) on the study outcomes.
| Intervention Group (N = 909) | Control Group (N = 972) | Between group differences (Intervention vs Control) | |||||
| Baseline(mean) | Within group difference(mean, 95%CI) | Baseline(mean) | Within group difference(mean, 95%CI) | Crude(mean, 95%CI) | Adjusted*(mean, 95%CI) | ||
| Headache | Days with headache, mean | 7.42 | −2.53 (−3.01, −2.04) | 7.28 | −0.81 (−1.29, −0.33) | −1.72 (−2.40, −1.04) | −1.63 (−2.20, −1.07) |
| among subjects with at least 4 days/month with headache | 12.00 | −4.70 (−5.44, −3.96) | 12.11 | −2.47 (−3.21, −1.72) | −2.23 (−3.28, −1.18) | −2.15 (−3.10, −1.21) | |
| Headache Index (FxI) | 0.56 | −0.17 (−0.21, −0.14) | 0.56 | −0.03 (−0.07, 0.00) | −0.14 (−0.19, −0.09) | −0.14 (−0.19, −0.10) | |
| among subjects with at least 4 days/month with headache | 0.90 | −0.33 (−0.40, −0.27) | 0.92 | −0.15 (−0.21, −0.08) | −0.19 (−0.28, −0.09) | −0.19 (−0.27, −0.10) | |
| Neck/shoulder pain | Days with neck/shoulder pain, mean | 11.23 | −3.23 (−3.97, −2.50) | 10.80 | −0.72 (−1.46, 0.02) | −2.51 (−3.56, −1.47) | −2.40 (−3.34, −1.47) |
| among subjects with at least 4 days/month with neck/shoulder pain | 17.78 | −6.15 (−7.26, −5.04) | 17.63 | −2.88 (−4.00, −1.76) | −3.27 (−4.85, −1.70) | −3.30 (−4.70, −1.89) | |
| Neck/shoulder pain Index (FxI) | 0.80 | −0.27 (−0.33, −0.22) | 0.75 | −0.02 (−0.08, 0.03) | −0.25 (−0.33, −0.17) | −0.23 (−0.31, −0.15) | |
| among subjects with at least 4 days/month with neck/shoulder pain | 1.27 | −0.21 (−0.27, −0.16) | 1.23 | −0.06 (−0.12, −0.01) | −0.36 (−0.48, −0.23) | −0.34 (−0.45, −0.22) | |
| Headache and/orNeck/shoulder pain | Days with headache and/or neck/shoulder pain, mean | 13.84 | −3.93 (−4.64, −3.21) | 13.61 | −1.28 (−2.00, −0.56) | −2.65 (−3.66, −1.63) | −2.57 (−3.52, −1.63) |
| among subjects with at least 4 days/month with headache and/or neck/shoulder pain | 17.04 | −5.41 (−6.26, −4.57) | 17.30 | −2.33 (−3.19, −1.47) | −3.08 (−4.29, −1.87) | −3.29 (−4.39, −2.18) | |
| Analgesic Drug consumption | Days with analgesic drug consumption, mean | 3.02 | −0.87 (−1.19, −0.55) | 2.94 | −0.38 (−0.70, −0.06) | −0.49 (−0.94, −0.03) | −0.43 (−0.77, −0.08) |
| among subjects with at least 4 days/month with analgesic drug consumption | 9.55 | −4.70 (−5.63, −3.76) | 9.78 | −3.98 (−4.93, −3.03) | −0.72 (−2.05, 0.62) | −0.83 (−1.95, 0.28) | |
*Adjusted by age, sex, neck/shoulder pain (when analyzing headache and analgesic drug consumption), headache (when analyzing neck/shoulder pain and analgesic drug consumption), education level, and job activity.