Table 4.

Logistic regression models for attenders and completers at the WMS

	Attenders			Completers
	Unadjusted OR (95% CI)	Adjusted OR* (95% CI)	p Value	Unadjusted OR (95% CI)	Adjusted OR* (95% CI)	p Value
Sex
Women	1.00	1.00		1.00	1.00
Men	0.95 (0.86 to 1.04)	0.87 (0.79 to 0.96)	0.005	0.98 (0.88 to 1.09)	0.89 (0.80 to 0.99)	0.036
Age group (years)
18–24	1.00	1.00		1.00	1.00
25–44	1.96 (1.58 to 2.43)	1.93 (1.56 to 2.39)	<0.001	2.20 (1.68 to 2.87)	2.15 (1.64 to 2.81)	<0.001
45–64	3.02 (2.45 to 3.73)	3.04 (2.46 to 3.75)	<0.001	3.59 (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)	<0.001	4.59 (3.45 to 6.11)	4.83 (3.62 to 6.45)	<0.001
SIMD 2012 quintile
Q1-most deprived	1.00	1.00		1.00	1.00
Q2	1.24 (1.10 to 1.40)	1.15 (1.02 to 1.30)	0.023	1.29 (1.13 to 1.47)	1.19 (1.04 to 1.36)	0.014
Q3	1.48 (1.29 to 1.69)	1.33 (1.16 to 1.53)	<0.001	1.53 (1.32 to 1.77)	1.37 (1.18 to 1.60)	<0.001
Q4	1.46 (1.26 to 1.69)	1.32 (1.13 to 1.55)	<0.001	1.55 (1.32 to 1.83)	1.39 (1.17 to 1.65)	<0.001
Q5-most affluent	1.99 (1.70 to 2.33)	1.74 (1.47 to 2.06)	<0.001	2.14 (1.82 to 2.53)	1.83 (1.53 to 2.19)	<0.001
Missing	1.95 (1.17 to 3.26)	1.96 (1.17 to 3.28)	0.01	1.61 (0.91 to 2.84)	1.61 (0.91 to 2.86)	0.101
BMI category (kg/m2)
30–35	1.00	1.00		1.00	1.00
>35–40	1.38 (1.19 to 1.60)	1.53 (1.32 to 1.78)	<0.001	1.28 (1.08 to 1.51)	1.43 (1.21 to 1.70)	<0.001
>40–45	1.51 (1.29 to 1.75)	1.74 (1.49 to 2.03)	<0.001	1.53 (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)	<0.001	1.57 (1.32 to 1.86)	1.88 (1.58 to 2.25)	<0.001
Training practice
No	1.00	1.00		1.00	1.00
Yes	0.96 (0.85 to 1.08)	0.89 (0.81 to 0.99)	0.029	1.01 (0.89 to 1.15)	0.97 (0.86 to 1.08)	0.550
Missing	1.13 (0.92 to 1.40)	1.13 (0.91 to 1.39)	0.268	1.29 (1.04 to 1.61)	1.23 (0.98 to 1.57)	0.074
List size
<4000	1.00	1.00		1.00	1.00
4000–8000	1.37 (1.21 to 1.57)	1.41 (1.25 to 1.59)	<0.001	1.21 (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)	<0.001	1.17 (0.99 to 1.39)	1.14 (0.98 to 1.34)	0.097
Distance from WMS
Within 1 mile	1.00	1.00		1.00	1.00
Between 1 and 2 miles	1.04 (0.91 to 1.18)	1.03 (0.92 to 1.14)	0.621	1.10 (0.96 to 1.26)	1.09 (0.97 to 1.24)	0.149
2 miles or more	1.29 (1.09 to 1.51)	1.06 (0.93 to 1.21)	0.399	1.32 (1.11 to 1.57)	1.06 (0.91 to 1.23)	0.469
QOF points
<95	1.00	1.00		1.00	1.00
95–98	1.11 (0.76 to 1.63)	0.97 (0.70 to 1.34)	0.849	0.99 (0.66 to 1.49)	0.81 (0.56 to 1.17)	0.254
99	1.09 (0.76 to 1.57)	0.85 (0.62 to 1.16)	0.314	1.02 (0.69 to 1.50)	0.82 (0.58 to 1.16)	0.258
100	1.12 (0.79 to 1.59)	0.89 (0.66 to 1.20)	0.454	1.03 (0.71 to 1.50)	0.82 (0.58 to 1.14)	0.238
Missing	1.14 (0.80 to 1.62)	0.90 (0.66 to 1.23)	0.506	1.09 (0.75 to 1.60)	0.80 (0.57 to 1.14)	0.219
Deprivation status (% of practice population defined as most deprived)
<15	1.00	1.00		1.00	1.00
15–40	0.88 (0.78 to 1.00)	1.09 (0.95 to 1.23)	0.212	0.83 (0.72 to 0.95)	0.96 (0.83 to 1.11)	0.561
>40	0.60 (0.53 to 0.69)	0.82 (0.71 to 0.95)	0.008	0.57 (0.50 to 0.66)	0.74 (0.63 to 0.87)	<0.001
Referral rate per 1000 practice population
>10	1.00	1.00		1.00	1.00
5–10	0.79 (0.67 to 0.95)	0.92 (0.79 to 1.08)	0.311	0.83 (0.69 to 1.01)	0.99 (0.83 to 1.18)	0.915
<5	0.71 (0.59 to 0.85)	0.91 (0.77 to 1.08)	0.269	0.79 (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.