Exploring the relationship between the density of the iris color and bipolar disorder: a case-control study, Egypt

Table 1 Comparison between the studied groups regarding demographic data:

Parameter	Patient group	Control group	χ²/t	P
Parameter	n = 48 (%)	n = 48 (%)	χ²/t	P
Gender:			0.664	0.415
Female Male	24 (50%) 24 (50%)	20 (41.7%) 28 (58.3%)
Age (year):
Mean ± SD	36.35 ± 11.76	33.9 ± 9.8	1.113	0.269
Marital status:
Divorced Married Single Widow	2 (4.2%) 29 (60.4%) 13 (27.1%) 4 (8.3%)	0 (0%) 31 (64.6%) 15 (31.3%) 2 (4.2%)	MC	0.594
Occupation:
No/housewife/student Worker Free work/merchant Professional	28(58.3%) 5 (10.4%) 11(22.9%) 4(8.3%)	17(35.3%) 14(29.2%) 14(29.2%) 3(6.3%)	1.46^§	0.227
Education:
Illiterate Preparatory Secondary High	4 (8.3%) 7 (14.6%) 30 (4.2%) 7 (14.6%)	2 (4.2%) 10 (20.8%) 28 (58.3%) 8 (716.7%)	0.073^§	0.787
Residence:
Rural Urban	15 (31.3%) 33 (68.7%)	22 (45.8%) 26 (54.2%)	2.155	0.142

χ²Chi square test. ^§chi square for trend test t independent sample t-test MC Monte Carlo test

ISSN: 1744-859X