Table 1

Demographic characteristics of the study sample*

Overall,
n=8753
Brazil,
n=1075
China,
n=1282
Egypt,
n=1082
Germany,
n=1036
India,
n=1173
Indonesia,
n=1026
Nigeria,
n=1014
USA,
n=1065
Gender, n (%)
Woman2783 (31.8)411 (38.2)239 (18.6)250 (23.1)379 (36.6)353 (30.1)365 (35.6)302 (29.8)484 (45.4)
Man5970 (68.2)664 (61.8)1043 (81.4)832 (76.9)657 (63.4)820 (69.9)661 (64.4)712 (70.2)581 (54.6)
Age group (years), n (%)
18–243062 (35.0)340 (31.6)464 (36.2)365 (33.7)199 (19.2)548 (46.7)466 (45.4)476 (46.9)204 (19.2)
25–342535 (29.0)296 (27.5)489 (38.1)352 (32.5)219 (21.1)383 (32.7)300 (29.2)312 (30.8)184 (17.3)
35–441453 (16.6)227 (21.1)194 (15.1)205 (18.9)235 (22.7)122 (10.4)151 (14.7)138 (13.6)181 (17.0)
45–54770 (8.8)120 (11.2)82 (6.4)85 (7.9)158 (15.3)54 (4.6)57 (5.6)60 (5.9)154 (14.5)
55–64462 (5.3)59 (5.5)14 (1.1)35 (3.2)133 (12.8)21 (1.8)24 (2.3)15 (1.5)161 (15.1)
65 and older471 (5.4)33 (3.1)39 (3.0)40 (3.7)92 (8.9)45 (3.8)28 (2.7)13 (1.3)181 (17.0)
Area of residence, n (%)
Large city3500 (42.1)539 (53.5)565 (47.2)512 (50.1)288 (29.2)417 (38.5)332 (33.6)507 (51.3)340 (32.9)
Suburb1451 (17.5)116 (11.5)221 (18.4)111 (10.9)241 (24.4)162 (15.0)168 (17.0)114 (11.5)318 (30.8)
Small town/village2280 (27.4)256 (25.4)287 (24.0)253 (24.8)325 (32.9)348 (32.1)316 (32.0)270 (27.3)225 (21.8)
Rural area/farm1077 (13.0)96 (9.5)125 (10.4)146 (14.3)133 (13.5)156 (14.4)172 (17.4)98 (9.9)151 (14.6)
Income, n (%)
Rich1404 (18.4)183 (19.9)302 (27.7)119 (12.7)141 (15.4)138 (14.3)158 (17.4)88 (9.6)275 (28.3)
High income999 (13.1)169 (18.4)187 (17.2)126 (13.4)90 (9.8)103 (10.7)111 (12.2)102 (11.1)111 (11.4)
Middle income1524 (20.0)186 (20.2)287 (26.3)253 (26.9)141 (15.4)224 (23.3)142 (15.6)160 (17.4)131 (13.5)
Low income1588 (20.8)162 (17.6)134 (12.3)205 (21.8)256 (27.9)204 (21.2)146 (16.0)269 (29.3)212 (21.8)
Poor2115 (27.7)220 (23.9)180 (16.5)237 (25.2)290 (31.6)293 (30.5)353 (38.8)298 (32.5)244 (25.1)
Educational attainment, n (%)
College/university degree or more3361 (42.2)233 (24.3)678 (59.7)482 (48.8)244 (25.5)536 (52.7)331 (34.6)418 (44.1)439 (43.8)
Secondary school2246 (28.2)342 (35.6)165 (14.5)203 (20.5)382 (39.9)176 (17.3)390 (40.7)303 (32.0)285 (28.4)
Less than secondary school/no formal education2359 (29.6)385 (40.1)293 (25.8)303 (30.7)331 (34.6)305 (30.0)237 (24.7)226 (23.9)279 (27.8)
  • *Percentages are unweighted. There are missing data on area of residence (445), income (1123) and education (787).