Table 1. Sociodemographic characteristics of participants in study of community SARS-CoV-2 seroprevalence during second wave of COVID-19 epidemic, by sex, Yaoundé, Cameroon, 2021*.

Characteristic	Survey 1, January 27–February 6				Survey 2, April 24–May 19
	Female	Male	Total		Female	Male	Total
Age group, y	n = 786				n = 1,234
0–19	132 (28.3)	123 (37.7)	255 (32.2)		261 (36.3)	208 (40.8)	469 (38.0)
20–39	205 (44.7)	103 (31.8)	308 (39.3)		278 (38.6)	165 (32.1)	443 (35.9)
>40	124 (27.0)	99 (30.7)	223 (28.5)		181 (25.1)	141 (27.4)	322 (26.1)
Marital status	n = 638				n = 1,216
Single	186 (48.1)	133 (54.0)	319 (50.0)		442 (62.4)	365 (71.9)	807 (66.4)
Married or living as a couple	158 (40.8)	109 (43.4)	267 (41.9)		216 (30.5)	132 (26.0)	348 (28.6)
Divorced or separated	37 (9.6)	3 (1.2)	40 (6.3)		43 (6.1)	10 (2.0)	53 (4.4)
Widower or widow	6 (1.6)	6 (2.4)	12 (1.9)		7 (1.0)	1 (0.0)	8 (1.0)
Education	n = 681				n = 1,227
None	26 (6.4)	11 (4.0)	37 (5.4)		75 (10.5)	45 (8.8)	120 (9.8)
Primary school	81 (19.8)	52 (19.1)	133 (19.5)		197 (27.6)	137 (26.8)	334 (27.2)
Secondary school	213 (52.1)	131 (48.2)	344 (50.5)		323 (45.2)	203 (39.7)	526 (42.9)
University	89 (21.8)	78 (28.7)	167 (24.5)		120 (16.8)	127 (24.8)	247 (20.1)
Profession	n = 620				n = 1,192
Student	100 (26.6)	75 (30.7)	175 (28.2)		242 (34.9)	201 (40.4)	443 (37.2)
Sales or service	67 (17.8)	46 (18.9)	113 (18.2)		145 (20.9)	70 (14.1)	215 (18.0)
Women or men at home	102 (27.1)	0 (0.0)	102 (16.5)		126 (18.2)	4 (0.8)	130 (10.9)
Professional or manager	40 (10.6)	28 (11.5)	68 (11.0)		59 (8.5)	52 (10.4)	111 (9.3)
Construction	0 (0.0)	16 (6.6)	16 (2.6)		1 (0.0)	9 (1.8)	10 (0.8)
Unemployed	20 (5.3)	21 (8.6)	41 (6.6)		71 (10.2)	65 (13.1)	136 (11.4)
Other	47 (12.5)	58 (23.8)	105 (17.0)		50 (7.2)	97 (19.5)	147 (12.3)
Total	461 (58.7)	325 (41.3)	786 (100.0)		720 (58.3)	514 (41.7)	1,234 (100.0)

*Values are no. (%) participants.