Table 4

 Odds ratios (OR) and 95% confidence intervals (95% CI) for decline in physical functioning by socioeconomic status; separately for different chronic disease groups*

Asthma/COPDHeart diseaseDiabetesLow back pain
OR95% CIOR95% CIOR95% CIOR95% CI
Significant odds ratios at p<0.05 are in bold. *See corresponding note in table 2. †See notes in table 1. ‡Model 1: adjusted for sex, age, marital status, and baseline mobility. §Model 2: adjusted for sex, age, marital status, baseline mobility, comorbidity and baseline severity.
Education†
model 1‡High1.001.001.001.00
Medium1.180.58 to 2.38 1.88 1.06 to 3.320.980.19 to 4.991.040.62 to 1.76
Low1.900.95 to 3.79 2.40 1.38 to 4.161.770.38 to 8.331.030.62 to 1.72
model 2§High1.001.001.001.00
Medium1.070.52 to 2.201.750.98 to 3.120.760.14 to 4.261.020.60 to 1.74
Low1.730.85 to 3.53 2.37 1.35 to 4.141.180.87 to 1.021.010.60 to 1.70
Occupation†
model 1‡11.001.001.001.00
21.210.67 to 2.17 1.73 1.13 to 2.651.650.55 to 4.951.340.87 to 2.08
32.370.75 to 7.50 2.30 1.00 to 5.280.970.11 to 8.611.580.61 to 4.07
4 2.21 1.27 to 3.86 1.91 1.28 to 2.861.150.38 to 3.44 1.60 1.05 to 2.43
model 2§11.001.001.001.00
21.110.60 to 2.03 1.67 1.09 to 2.571.770.52 to 5.961.350.86 to 2.10
32.020.62 to 6.652.210.95 to 5.160.650.07 to 6.421.610.62 to 4.19
4 1.79 1.00 to 3.20 1.80 1.19 to 2.711.450.42 to 5.04 1.59 1.04 to 2.45
Income†
model 1‡High1.001.001.001.00
Medium 1.81 1.02 to 3.20 1.72 1.13 to 2.611.530.48 to 4.811.260.82 to 1.92
Low 2.83 1.58 to 5.09 1.97 1.29 to 3.022.280.70 to 7.37 1.81 1.16 to 2.83
model 2§High1.001.001.001.00
Medium 1.82 1.01 to 3.26 1.69 1.10 to 2.591.220.35 to 4.181.230.80 to 1.89
Low 2.60 1.43 to 4.74 1.94 1.25 to 2.991.760.51 to 6.06 1.69 1.07 to 2.67