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Table 2 One year prevalence of CANS lasting for at least one week during the previous year

From: Work related complaints of neck, shoulder and arm among computer office workers: a cross-sectional evaluation of prevalence and risk factors in a developing country

  N All
Prevalence (95% CI) (n = 2210)
Males
Prevalence (95% CI) (n = 1122)
Females
Prevalence (95% CI) (n = 1088)
p value*
Region      
   Neck 812 0.37 (0.35 to 0.39) 0.35 (0.32 to 0.38) 0.38 (0.35 to 0.41) NS
   Shoulder & arm 708 0.32 (0.30 to 0.34) 0.28 (0.25 to 0.30) 0.37 (0.34 to 0.40) <0.001
   Forearm & hands 942 0.43 (0.41 to 0.45) 0.42 (0.39 to 0.45) 0.43 (0.40 to 0.46) NS
Severity      
   Mild cases 854 0.39 (0.37 to 0.41) 0.35 (0.33 to 0.38) 0.42 (0.39 to 0.45) <0.01
   Severe cases 404 0.18 (0.17 to 0.20) 0.19 (0.17 to 0.22) 0.17 (0.15 to 0.20) NS
Neck      
   Right 188 0.08 (0.07 to 0.10) 0.08 (0.07 to 0.10) 0.09 (0.07 to 0.11) NS
   Left 78 0.03 (0.02 to 0.04) 0.02 (0.01 to 0.03) 0.05 (0.04 to 0.07) <0.001
   Both 546 0.25 (0.23 to 0.26) 0.25 (0.23 to 0.28) 0.24 (0.22 to 0.27) NS
Shoulder and arm      
   Right 142 0.06 (0.05 to 0.08) 0.07 (0.05 to 0.08) 0.06 (0.05 to 0.08) NS
   Left 125 0.06 (0.05 to 0.07) 0.04 (0.03 to 0.06) 0.07 (0.05 to 0.08) <0.05
   Both 441 0.20 (0.18 to 0.22) 0.16 (0.14 to 0.19) 0.24 (0.21 to 0.26) <0.001
Forearm and hands      
   Right 336 0.15 (0.14 to 0.17) 0.17 (0.15 to 0.20) 0.13 (0.11 to 0.15) <0.01
   Left 88 0.04 (0.03 to 0.05) 0.04 (0.03 to 0.05) 0.04 (0.03 to 0.05) NS
   Both 518 0.23 (0.22 to 0.25) 0.21 (0.19 to 0.24) 0.26 (0.23 to 0.29) <0.01
  1. *p value for Males vs. Females, NS - not significant, N-Number of subjects with complaints