Table 1.

Sociodemographic and socioeconomic characteristics of the study participants (schoolchildren and their parents/guardians) in Ifakara, Tanzania, in 2019.

	Characteristic	Category	Frequency	Percentage (%)
Children	Age	6–8 years	516	55.5
		9–12 years	414	44.5
	Sex	Male	429	46.1
		Female	501	53.9
	School grade	1	197	21.2
		2	194	20.9
		3	247	26.6
		4	292	31.4
Parents/caregivers	Age	18–35 years	371	51.2
		36–45 years	203	28.0
		>45 years	151	20.8
	Sex	Male	180	24.8
		Female	545	75.2
	Education	No formal education	56	7.7
		Primary	597	82.3
		Secondary	68	9.4
		Tertiary	4	0.6
	Marital status	Single	154	21.2
		Married	478	65.9
		Divorced/separated	62	8.6
		Widow/widower	31	4.3
	Family size	2–3 people	107	11.6
		4–5 people	441	47.7
		≥6 people	376	40.7
	SES	Poor	221	30.5
		Middle	246	33.9
		Least poor	258	35.6

SES = socioeconomic status.