Table 1.

Characteristics of population surveyed in a 2 km (N = 2833) and 25 km (N = 2915) radius of Lake Chilwa, Malawi, December 2016.

		Population in a 2 km radius N = 2833		Population in a 25 km radius lake N = 2915
		n	%	n	%
Age group (years)
	1–4	519	18.3	575	19.7
	5–14	901	31.8	968	33.2
	≥15	1412	49.8	1372	47.1
	Not reported	1	0.04	0	NA
Sex
	Female	1425	50.3	1453	49.9
	Male	1398	49.4	1446	49.6
	Not reported	10	0.4	16	0.6
Residence at survey time
	Zimboweras	80	2.8	0	NA
	Island	254	9.0	147	5.0
	Villages in 2 km radius of Lake	2499	88.2	1017	34.9
	Villages in 3–25 km radius of Lake	0	NA	1751	60.1
Occupation
	Farmer	810	28.6	880	30.2
	Fisherman	161	5.7	84	2.9
	Fish preparation/seller	32	1.1	15	0.5
	Business	122	4.3	137	4.7
	Student	970	34.2	986	33.8
	Pre-school child (<6 yr)	618	21.8	680	23.3
	Other	113	4.0	131	4.5
	Not reported	7	0.3	2	0.1
Live in floating homes or on the islands at some point of the year
	Yes	457	16.1	239	8.2

NA: Not applicable.