Table 2. Summary estimates of subjects’ demographics.

Demographics						I 2
Age distribution (years)						83%
<21	21–30	31–40	41–50	51–60	>60
1 (0–2)	6 (2–11)	28 (19–36)	31 (23–40)	20 (13–23)	14 (8–22)
Educational status
	None	Primary	Secondary	Tertiary		95%
	7 (0–22)	9 (0–26)	37 (13–63)	47 (21–72)
Marital status
		Single	Married	Others		89%
		6 (0–17)	86 (68–96)	8 (0–22)

Table 2 shows demographic data. Most subjects fell within the 31–50 age range, and most were married and attained secondary or tertiary education. Abbreviations: Others: Divorced/separated or widow, I² = I-squared