Micro-heterogeneity of malaria transmission in the Peruvian Amazon: a baseline assessment underlying a population-based cohort study

Table 2 Baseline socio-demographic characteristics of study participants

	Lupuna (LUP)		Cahuide (CAH)		Total
	n	%	n	%	n	%
Gender
Female	406	49.0	510	45.9	916	47.2
Male	423	51.0	602	54.1	1025	52.8
Age (years)*
<5	55	6.6	88	7.9	143	7.4
5–14.9	196	23.6	336	30.3	532	27.5
15–24.9	158	19.1	191	17.2	349	18.0
25–39.9	159	19.2	215	19.4	374	19.3
40–54.9	132	15.9	164	14.8	296	15.3
>55	129	15.6	115	10.4	244	12.6
Missing	0		3		3
Time in village (age ≥ 10 years)*
<2	26	3.9	207	24.6	233	15.4
2–9.9	74	11.1	288	34.2	362	24.0
≥10	567	85.0	348	41.3	915	60.6
Missing	3		3		6
Education (age ≥ 18 years)*
None	21	4.0	25	4.1	46	4.0
Incomplete primary	130	24.9	200	32.6	330	29.0
Complete primary	126	24.1	187	30.5	313	27.6
Secondary	226	43.2	185	30.2	411	36.2
Superior	20	3.8	16	2.6	36	3.2
Missing	3		3		6
Main occupation (age ≥ 18 years)*
None	29	5.6	21	3.4	50	4.4
Student	24	4.6	9	1.5	33	2.9
Housewife	124	23.9	145	23.7	269	23.8
Trader	47	9.1	65	10.6	112	9.9
Labourer, employee	72	13.9	88	14.4	160	14.2
Guardian	2	0.4	43	7.0	45	4.0
Farmer	178	34.4	180	29.4	358	31.7
Logger	22	4.2	55	9.0	77	6.8
Fisher, hunter	13	2.5	5	0.8	18	1.6
Boat driver	7	1.4	1	0.2	8	0.7
Missing	8		4		12
Lifetime malaria episodes*
0	215	26.6	365	33.0	580	30.3
1	133	16.5	314	28.4	447	23.3
2–3	175	21.7	271	24.5	446	23.3
≥4	285	35.3	157	14.2	442	23.1
Missing	21		5		26
Malaria episodes (previous 12 months)*
0	704	85.9	566	51.1	1270	65.9
1	93	11.3	429	38.7	522	27.1
2–3	22	2.7	100	9.0	122	6.3
≥4	1	0.1	13	1.2	14	0.7
Missing	9

ISSN: 1475-2875