Table 3

Variables associated with illness and health service use: results of stepwise logistic regression

AsthmaLongstanding illness4 or more visits to GPUse of outpatientsUse of inpatientsUse of casualty
BSESigBSESigBSESigBSESigBSESigBSESig
(Constant)−1.5310.2020.000−0.4580.1590.0040.0500.1600.757−1.3100.2150.000−0.9020.2700.001−2.2701.0210.026
Age−0.0180.004 0.000 0.0290.003 0.000 0.0120.003 0.000 −0.0140.004 0.002 −0.0230.006 0.000
Sex
 female0.1740.066 0.009 0.9110.072 0.000 0.2350.080 0.004 0.4180.097 0.000 −0.4150.128 0.001
 (3-150male)
Employment status 0.000 0.000 0.000 0.000
 student0.0240.1810.894−0.0070.1900.9700.0580.2380.808−0.6160.3590.086
 retired0.7470.151 0.000 0.8410.165 0.000 0.5220.184 0.005 0.6920.211 0.001
 unable to work3.9220.505 0.000 2.8210.226 0.000 2.0440.186 0.000 1.8480.188 0.000
 unemployed0.2990.1870.1100.5740.197 0.004 0.5950.221 0.007 0.3540.2720.193
 caring0.0880.1200.4660.5040.125 0.000 0.1950.1570.2150.7000.145 0.000
 part time0.0190.0820.8210.0660.0890.4580.0600.1070.5770.2060.1190.082
 (3-150full time)
Home not warm enough 0.003 0.000 0.000 0.001
 most of the time0.5220.2870.0700.6400.194 0.001 0.5910.200 0.003 0.7620.215 0.000
 quite often0.6320.195 0.001 0.4720.131 0.000 0.4470.136 0.001 0.0560.1710.746
 only occasionally0.2040.1120.0680.2070.062 0.001 0.2070.069 0.003 0.2120.079 0.007
 (3-150never)
Smells and fumes 0.001
 serious problem0.3690.128 0.004
 minor problem0.1820.064 0.005
 (3-150no problem)
Smoking 0.002 0.000 0.000
 current−0.0290.1320.8260.0740.0720.3030.0820.0810.315
 ex smoker0.3800.117 0.001 0.3610.064 0.000 0.3060.074 0.000
 (3-150never)
Passive smoking 0.002 0.001
 every day0.1570.1760.3750.4710.3490.177
 most days0.2300.1650.1630.5730.3320.085
 occasionally−0.0700.1510.6420.0680.3200.831
 (3-150never)
Alcohol
 none0.3770.094 0.000
 (3-150drinker)
Vigorous exercise 0.000 0.000
 5+ per week−0.2910.1640.076−0.5090.2020.012
 3–4 per week−0.3630.103 0.000 −0.5500.124 0.000
 1–2 per week−0.1990.071 0.005 −0.2630.080 0.001
 <1 per week−0.2260.079 0.004 −0.1640.0880.063
 (3-150never)
Worry about money 0.000
 all of the time0.5990.151 0.000
 a lot of the time0.2730.1230.026
 some of the time0.1680.1110.131
 a little of the time0.0030.1070.975
 (3-150never)
Worry about work 0.000 0.002 0.007
 all of the time0.7610.145 0.000 0.5180.157 0.001 0.5290.174 0.002
 a lot of the time0.3220.108 0.003 0.3380.117 0.004 0.3460.133 0.009
 some of the time0.2380.0940.0120.1390.1060.1870.3290.119 0.006
 a little of the time0.1620.0900.0730.0870.1020.3940.1420.1190.232
 (3-150never)
Worry about job security 0.008
 all of the time0.2650.2620.313
 a lot of the time0.5490.155 0.000
 some of the time0.2480.1250.048
 a little of the time0.1310.1060.217
 (3-150never)
  • 3-150 = reference category. Odds ratios and their 95% confidence intervals can be calculated as follows: odds ratio = EXP (B); 95% CI approximately EXP (B ± 1.96 × SE(B))