Results of logistic regression analysis examining the effects of occupational and demographic characteristics on musculoskeletal disorders in those unable to do normal work, for various body regions in the last 12 months
Occupational and demographic characteristics | Any† | Shoulder | Hand | Upper back | Lower back | Knee | Ankle |
---|---|---|---|---|---|---|---|
Occupation | |||||||
Wage labourer‡ | |||||||
Waste picker | 2.56*** | 4.47*** | 4.50* | 2.23** | 2.41*** | 1.63 | 7.19*** |
1.35 to 4.86 | 2.18 to 16.29 | 0.90 to 22.45 | 1.01 to 4.92 | 1.23 to 4.72 | 0.82 to 3.21 | 1.48 to 34.94 | |
Other | 0.70 | 0.90 | 2.26 | 0.76 | 0.73 | 0.61 | 2.36 |
0.37 to 1.34 | 0.29 to 2.83 | 0.42 to 12.02 | 0.32 to 1.82 | 0.35 to 1.50 | 0.29 to 1.25 | 0.44 to 12.59 | |
Duration of work | |||||||
Up to 4 years‡ | |||||||
5–10 years | 2.76*** | 2.10 | 1.99 | 1.21 | 2.18* | 1.81 | 1.33 |
1.34 to 5.74 | 0.56 to 7.90 | 0.22 to 17.89 | 0.44 to 3.35 | 0.92 to 5.19 | 0.72 to 4.56 | 0.26 to 6.80 | |
Above 10 years | 5.44*** | 3.1* | 4.11 | 3.28** | 2.98*** | 2.72** | 1.38 |
2.59 to 11.46 | 0.85 to 11.31 | 0.50 to 34.07 | 1.24 to 8.73 | 1.25 to 7.08 | 1.10 to 6.79 | 0.28 to 6.90 | |
Age of respondents | |||||||
18–30 years‡ | |||||||
31–40 years | 1.91** | 4.16*** | 1.71 | 1.91* | 1.98** | 2.63*** | 4.66** |
1.12 to 3.27 | 1.81 to 9.57 | 0.51 to 5.70 | 0.95 to 3.86 | 1.10 to 3.60 | 1.39 to 5.01 | 1.21 to 18.01 | |
Above 40 years | 5.07*** | 5.17*** | 2.38 | 2.71*** | 4.38*** | 6.47*** | 10.94*** |
2.68 to 9.62 | 2.10 to 12.77 | 0.65 to 8.67 | 1.29 to 5.70 | 2.30 to 8.34 | 3.28 to 12.78 | 2.79 to 43.04 |
Adjusted for sex and household size of the respondents. Weekly working hours were considered as effect modifier. Values are ORs and 95% CIs.
*p<0.1, **p<0.05, ***p<0.01.
†Either the shoulder, hand, upper back, lower back, knee or ankle.
‡Reference category.