Table 2. Comparison between the clusters according to sociodemographic and clinical variables (n = 145).

Variables	Group 1 (n = 46)		Group 2 (n = 94)		P-value*
	n	%	n	%
Gender
Male	39	47.8%	13	44.6%	< 0.001
Female	7	52.2%	81	55.4%
Marital status
Yes	30	65.2%	31	44.6%	< 0.001
No	16	34.7%	63	55.4%
Age group
60-74 years	22	47.8%	42	44.6%	0.173
³ 75 years	24	52.2%	52	55.4%
Poor vision
No	21	45.6%	56	58.6%	0.174
Yes	12	54.3%	35	41.3%
Associated illnesses
0-4	18	39.1%	31	32.9%	0.474
³ 5	28	60.9%	63	67.1%
Number of medications
0-4	21	45.6%	27	28.7%	0.083
³ 5	25	54.3%	64	71.2%

*Chi-square test; P-value < 0.05.