Table 4

Logistic regression models for attenders and completers at the WMS

AttendersCompleters
Unadjusted OR
(95% CI)
Adjusted OR*
(95% CI)
p ValueUnadjusted OR
(95% CI)
Adjusted OR*
(95% CI)
p Value
Sex
 Women1.001.001.001.00
 Men0.95 (0.86 to 1.04)0.87 (0.79 to 0.96)0.0050.98 (0.88 to 1.09)0.89 (0.80 to 0.99)0.036
Age group (years)
 18–241.001.001.001.00
 25–441.96 (1.58 to 2.43)1.93 (1.56 to 2.39)<0.0012.20 (1.68 to 2.87)2.15 (1.64 to 2.81)<0.001
 45–643.02 (2.45 to 3.73)3.04 (2.46 to 3.75)<0.0013.59 (2.76 to 4.67)3.54 (2.72 to 4.61)<0.001
 65+3.88 (3.07 to 4.90)4.15 (3.27 to 5.26)<0.0014.59 (3.45 to 6.11)4.83 (3.62 to 6.45)<0.001
SIMD 2012 quintile
 Q1-most deprived1.001.001.001.00
 Q21.24 (1.10 to 1.40)1.15 (1.02 to 1.30)0.0231.29 (1.13 to 1.47)1.19 (1.04 to 1.36)0.014
 Q31.48 (1.29 to 1.69)1.33 (1.16 to 1.53)<0.0011.53 (1.32 to 1.77)1.37 (1.18 to 1.60)<0.001
 Q41.46 (1.26 to 1.69)1.32 (1.13 to 1.55)<0.0011.55 (1.32 to 1.83)1.39 (1.17 to 1.65)<0.001
 Q5-most affluent1.99 (1.70 to 2.33)1.74 (1.47 to 2.06)<0.0012.14 (1.82 to 2.53)1.83 (1.53 to 2.19)<0.001
 Missing1.95 (1.17 to 3.26)1.96 (1.17 to 3.28)0.011.61 (0.91 to 2.84)1.61 (0.91 to 2.86)0.101
BMI category (kg/m2)
 30–351.001.001.001.00
 >35–401.38 (1.19 to 1.60)1.53 (1.32 to 1.78)<0.0011.28 (1.08 to 1.51)1.43 (1.21 to 1.70)<0.001
 >40–451.51 (1.29 to 1.75)1.74 (1.49 to 2.03)<0.0011.53 (1.29 to 1.81)1.79 (1.50 to 2.13)<0.001
 45+1.56 (1.34 to 1.82)1.83 (1.56 to 2.14)<0.0011.57 (1.32 to 1.86)1.88 (1.58 to 2.25)<0.001
Training practice
 No1.001.001.001.00
 Yes0.96 (0.85 to 1.08)0.89 (0.81 to 0.99)0.0291.01 (0.89 to 1.15)0.97 (0.86 to 1.08)0.550
 Missing1.13 (0.92 to 1.40)1.13 (0.91 to 1.39)0.2681.29 (1.04 to 1.61)1.23 (0.98 to 1.57)0.074
List size
 <40001.001.001.001.00
 4000–80001.37 (1.21 to 1.57)1.41 (1.25 to 1.59)<0.0011.21 (1.05 to 1.40)1.21 (1.06 to 1.39)0.006
 8000+1.31 (1.12 to 1.53)1.29 (1.12 to 1.48)<0.0011.17 (0.99 to 1.39)1.14 (0.98 to 1.34)0.097
Distance from WMS
 Within 1 mile1.001.001.001.00
 Between 1 and 2 miles1.04 (0.91 to 1.18)1.03 (0.92 to 1.14)0.6211.10 (0.96 to 1.26)1.09 (0.97 to 1.24)0.149
 2 miles or more1.29 (1.09 to 1.51)1.06 (0.93 to 1.21)0.3991.32 (1.11 to 1.57)1.06 (0.91 to 1.23)0.469
QOF points
 <951.001.001.001.00
 95–981.11 (0.76 to 1.63)0.97 (0.70 to 1.34)0.8490.99 (0.66 to 1.49)0.81 (0.56 to 1.17)0.254
 991.09 (0.76 to 1.57)0.85 (0.62 to 1.16)0.3141.02 (0.69 to 1.50)0.82 (0.58 to 1.16)0.258
 1001.12 (0.79 to 1.59)0.89 (0.66 to 1.20)0.4541.03 (0.71 to 1.50)0.82 (0.58 to 1.14)0.238
 Missing1.14 (0.80 to 1.62)0.90 (0.66 to 1.23)0.5061.09 (0.75 to 1.60)0.80 (0.57 to 1.14)0.219
Deprivation status (% of practice population defined as most deprived)
 <151.001.001.001.00
 15–400.88 (0.78 to 1.00)1.09 (0.95 to 1.23)0.2120.83 (0.72 to 0.95)0.96 (0.83 to 1.11)0.561
 >400.60 (0.53 to 0.69)0.82 (0.71 to 0.95)0.0080.57 (0.50 to 0.66)0.74 (0.63 to 0.87)<0.001
Referral rate per 1000 practice population
 >101.001.001.001.00
 5–100.79 (0.67 to 0.95)0.92 (0.79 to 1.08)0.3110.83 (0.69 to 1.01)0.99 (0.83 to 1.18)0.915
 <50.71 (0.59 to 0.85)0.91 (0.77 to 1.08)0.2690.79 (0.65 to 0.96)1.07 (0.88 to 1.29)0.516
  • *Adjusted for all other variables.

  • BMI, body mass index; QOF, Quality and Outcome Framework; SIMD, Scottish Index of Multiple Deprivation; WMS, weight management service.