Participatory science and innovation for improved sanitation and hygiene: process and outcome evaluation of project SHINE, a school-based intervention in Rural Tanzania

Table 3 Sample characteristics (n = 826)

	Mean (SD) or number (%)
	(n = 826)^a
Age	15.65 (1.59)
Sex (male)	460 (56.0)
Ethnicity
- Maasai	452 (55.9)
- Chagga	85 (10.5)
- Meru	71 (8.8)
- Other	200 (24.7)
Type of toilet at home
- Pit latrine^b	596 (73.0)
- No latrine^c	120 (14.7)
- Bucket latrine	74 (9.1)
- Other	26 (3.2)
Place for hand washing at home (% yes, N)	603 (73.4)
Access to soap/mud/ash (% yes, N)	582 (71.0)

^aSome variation in denominator due to missing data (no more than 2%)
^b: type of toilet that collects human feces in a hole in the ground, usually without water
^c: a bucket is used to collect solid and liquid waste and disposed of elsewhere later (usually an open area, or is buried or used for fertilizer)

ISSN: 1471-2458