Table 4

Univariate and multivariate logistic regression analyses for the full study population

Variable	Univariate analysis			Multivariate analysis
Variable	OR	CI	p Value	OR	CI	p Value
Sports club membership?
Yes	13.464	11.887 to 15.250	<0.001	9.852	6.891 to 14.085	<0.001
Sex
Male	1.721	1.607 to 1.843	<0.001	1.574	1.389 to 1.783	<0.001
Age groups (years)
16–35	13.694	11.485 to 16.328	<0.001	5.556	3.705 to 8.331	<0.001
36–55	6.552	5.525 to 7.770	<0.001	2.893	1.957 to 4.276	<0.001
56–75	2.632	2.210 to 3.134	<0.001	1.409	0.991 to 2.003	0.056
76 and over	Ref	–	–	Ref	–	–
Marital status
Married or cohabiting	0.704	0.647 to 0.767	<0.001	0.934	0.789 to 1.105	0.425
Widowed, divorced, separated or same sex couple	0.30	0.268 to 0.336	<0.001	1.059	0.859 to 1.306	0.593
Single	Ref	–	–	–	–	–
House car or van?
Yes	2.722	2.483 to 2.983	<0.001	1.307	1.102 to 1.551	0.002
Highest qualifications
Degree or higher	8.912	7.798 to 10.184	<0.001	3.172	2.504 to 4.018	<0.001
All other qualifications	3.785	3.436 to 4.169	<0.001	1.872	1.605 to 2.184	<0.001
No qualifications	Ref	–	–	Ref	–	–
Any paid/unpaid work in last week?
Yes	3.796	3.533 to 4.079	<0.001	1.178	1.011 to 1.373	0.036
Benefits?
Yes	0.343	0.319 to 0.368	<0.001	1.081	0.932 to 1.253	0.304
Urban or rural?
Rural	0.913	0.850 to 0.980	0.012	0.846	0.731 to 0.979	0.025
NUTS3
Belfast	1.233	1.104 to 1.378	<0.001	1.394	1.118 to 1.737	0.003
Outer Belfast	1.378	1.246 to 1.525	<0.001	1.038	0.851 to 1.266	0.714
East of NI	1.034	0.937 to 1.141	0.508	1.073	0.898 to 1.283	0.436
North of NI	0.759	0.677 to 0.851	<0.001	0.695	0.568 to 0.850	<0.001
West+South NI	Ref	–	–	Ref	–	–
Health over the last year been:
Good	5.142	4.608 to 5.738	<0.001	1.801	1.454 to 2.230	<0.001
Fairly good	2.460	2.182 to 2.772	<0.001	1.543	1.258 to 1.892	<0.001
Not good	Ref	–	–	Ref	–	–
Limiting long-standing illness
Yes	0.258	0.237 to 0.282	<0.001	0.736	0.618 to 0.876	0.001
Do you smoke?
Yes	0.719	0.655 to 0.790	<0.001	0.735	0.646 to 0.837	<0.001
Personal internet?*
Yes	5.140	4.755 to 5.556	<0.001	1.779	1.469 to 2.154	<0.001
MDM quintiles
1	0.418	0.374 to 0.468	<0.001	0.717	0.504 to 1.018	0.063
2	0.480	0.431 to 0.535	<0.001	0.685	0.519 to 0.905	0.008
3	0.571	0.513 to 0.636	<0.001	0.788	0.599 to 1.038	0.090
4	0.750	0.675 to 0.834	<0.001	0.891	0.691 to 1.148	0.372
5	Ref	–	–	Ref	–	–

*Personal internet access combines the three groups (household, personal and any access) into one variable.
MDM, Multiple Deprivation Measure; NI, Northern Ireland.