Table 3.

Variables associated with membership of political organizations: hierarchical logistic regression

Variable	Model 1	Model 2	Model 3	Model 4
	Odds ratio [95 % CI]	Odds ratio [95 % CI]	Odds ratio [95 % CI]	Odds ratio [95 % CI]
Gender (Female = 0)
Male	1.07 [0.72–1.61]	0.87 [0.57–1.33]	0.95 [0.62–1.45]	1.02 [0.66–1.58]
Age (65–74 = 0)
75 and over	0.70 [0.49–1.01]	0.83 [0.55–1.23]	0.83 [0.55–1.24]	0.90 [0.59–1.37]
Education level (< primary = 0)
Primary education	2.00** [1.28–3.12]	1.93** [1.23–3.02]	1.88** [1.20–2.94]	1.87** [1.19–2.94]
Secondary or more	2.40** [1.42–4.06]	2.18* [1.27–3.74]	2.09** [1.21–3.59]	2.01* [1.16–3.48]
Income (≤300 euros = 0)
301–900 euros	0.90 [0.51–1.60]	0.86 [0.48–1.55]	0.86 [0.48–1.55]	0.84 [0.46–1.51]
>900	1.71 [0.87–3.35]	1.74 [0.88–3.45]	1.82 [0.91–3.62]	1.79 [0.89–3.57]
Attending shows (No = 0)
Yes		1.84* [1.15–2.96]	1.70* [1.05–2.76]	1.75* [1.08–2.84]
Doing sports (No = 0)
Yes		1.06 [0.71–1.60]	1.00 [0.67–1.50]	0.98 [0.65–1.47]
Attending a recreational center for older adults (No = 0)
Yes		2.16*** [1.49–3.12]	2.03*** [1.40–2.95]	2.05*** [1.41–2.97]
Attending courses (No = 0)
Yes			2.23** [1.37–3.64]	2.04** [1.24–3.36]
Caring for dependents (No = 0)
Yes				0.99 [0.54–1.82]
Caring for grandchildren (No = 0)
Yes				1.16 [0.78–1.72]
Volunteering (No = 0)
Yes				1.80* [1.04–3.11]
Model sum. Chi Square (df, p value)	49.94 (6, <0.000)	75.42 (9, <0.000)	84.63 (10, <0.000)	89.11 (13, <0.000)
Log likelihood	981.66	956.18	946.97	942.49
Nagelkerke	0.061	0.091	0.102	0.107

Model 1 Socioeconomic resources variables, Model 2 Socioeconomic resources variables + Leisure activities variables, Model 3 Socioeconomic resources variables + Leisure activities variables + Learning activities variables, Model 4 Socioeconomic resources variables + Leisure activities variables + Learning activities variables + Productive activities variables

* p < 0.5; ** p < 0.01; *** p < 0.001