Table 2

Multinomial logistic regression models for correlates of neck pain

Variables/NPQLowMediumHighp Value for trend*
OR95% CIp ValueOR95% CIp Value
Total participants
 Age (years)Ref.0.970.92 to 1.020.180.990.94 to 1.040.7680.541
 BMI (kg/m2)Ref.1.010.93 to 1.100.801.010.92 to 1.100.9010.868
 MaleRef.0.600.35 to 1.030.060.360.20 to 0.640.0010.000
 Bachelor or moreRef.0.900.52 to 1.580.720.690.39 to 1.220.2010.344
 MarriedRef.0.660.35 to 1.260.211.200.61 to 2.360.6040.425
 Neck injuryRef.7.880.85 to 73.310.079.611.06 to 87.520.0450.006
 Work years ≥5 yearsRef.2.011.04 to 3.880.041.760.88 to 3.530.1100.088
 Cold office temperatureRef.1.050.46 to 2.380.921.870.85 to 4.140.1220.011
 Computer displayer not in frontRef.1.410.84 to 2.350.191.991.17 to 3.400.0110.001
 Computer use ≥8 hours/dayRef.1.270.78 to 2.060.351.020.61 to 1.700.9560.561
Male
 Age (years)Ref.1.020.95 to 1.090.6310.950.88 to 1.030.1830.649
 BMI (kg/m2)Ref.1.020.90 to 1.160.7700.980.86 to 1.110.7070.570
 Bachelor or moreRef.1.510.62 to 3.660.3600.620.25 to 1.560.3130.539
 MarriedRef.0.520.19 to 1.430.2061.020.34 to 3.060.9740.574
 Neck injuryRef.7.510.74 to 75.670.0877.980.67 to 94.350.1000.013
 Work years ≥5 yearsRef.1.150.42 to 8.300.7832.670.87 to 8.190.0870.140
 Cold office temperatureRef.2.020.49 to 8.300.3321.120.21 to 5.860.8980.791
 Computer displayer not in frontRef.0.660.30 to 1.470.3111.430.60 to 3.390.4160.281
 Computer use ≥8 hours/dayRef.1.240.59 to 2.600.5730.530.22 to 1.300.1680.078
Female
 Age (years)Ref.0.940.86 to 1.020.1121.030.95 to 1.110.5090.150
 BMI (kg/m2)Ref.1.010.90 to 1.130.8891.030.91 to 1.160.6730.420
 Bachelor or moreRef.0.660.31 to 1.430.2950.580.27 to 1.260.1690.365
 MarriedRef.0.810.34 to 1.970.6451.410.58 to 3.440.4470.168
 Work years ≥5 yearsRef.2.711.05 to 6.960.0391.520.59 to 3.930.3850.378
 Cold office temperatureRef.0.790.28 to 2.240.6532.060.80 to 5.310.1350.010
 Computer displayer not in frontRef.2.591.26 to 5.340.0102.941.41 to 6.110.0040.001
 Computer use ≥8 hours/dayRef.1.390.70 to 2.660.3561.360.70 to 2.670.3670.714
  •  *The p values for trend were obtained from multiple linear regression models.

  • †The variable of neck injury was excluded from the female regression model because there were no participants in the low NPQ tertile.

  • BMI , body mass index: NPQ, Northwick Park Neck Pain Questionnaire.