Variable | Wave 1 (n=1221) | Wave 2 (n=611) | P value |
Sociodemographic characteristics | |||
Mean (SD) age, years | 56.93 (16.27) | 60.72 (17.42) | <0.0001* |
(n=1149) | (n=580) | ||
Age group, years | <0.001† | ||
0–4 | 2 (0.16) | 5 (0.82) | |
5–13 | 9 (0.74) | 4 (0.65) | |
14–20 | 17 (1.39) | 11 (1.80) | |
21–30 | 56 (4.59) | 13 (2.13) | |
31–40 | 106 (8.68) | 42 (6.87) | |
41–50 | 167 (13.68) | 59 (9.66) | |
51–60 | 276 (22.60) | 127 (20.79) | |
61–70 | 298 (24.41) | 142 (23.24) | |
71–80 | 161 (13.19) | 123 (20.13) | |
>80 | 57 (4.67) | 52 (0.51) | |
Missing | 72 (5.90) | 33 (5.40) | |
Sex | <0.001† | ||
Female | 301 (24.65) | 204 (33.39) | |
Male | 911 (74.61) | 407 (66.61) | |
Missing | 9 (0.74) | 0 (0.00) | |
Residential setting | 0.036† | ||
Rural | 78 (6.39) | 28 (4.58) | |
Urban | 556 (45.54) | 314 (51.39) | |
Missing | 587 (48.08) | 269 (44.03) | |
Education completed | <0.001† | ||
None | 20 (1.64) | 7 (1.15) | |
Nursery | – | – | |
Primary | 22 (1.80) | 2 (0.33) | |
Secondary | 142 (11.63) | 44 (7.20) | |
Tertiary | 299 (24.49) | 194 (31.75) | |
Alternative (eg, Almajiranci) | 41 (3.36) | 8 (1.31) | |
Missing | 697 (57.08) | 356 (58.27) | |
Current occupation | 0.002† | ||
Pupil/student | 12 (0.98) | 1 (0.16) | |
Housewife/child | 23 (1.88) | 6 (0.98) | |
Trader/business | 103 (8.44) | 30 (4.91) | |
Farmer/miner | 52 (4.26) | 18 (2.95) | |
Healthcare worker | 50 (4.10) | 15 (2.45) | |
Animal-related work | 3 (0.49) | 1 (0.16) | |
Transporter | 6 (0.49) | 0 (0.00) | |
Religious leader | 7 (0.57) | 1 (0.16) | |
Traditional leader | 3 (0.25) | 1 (0.16) | |
Other | 451 (36.94) | 237 (38.79) | |
Missing | 511 (41.85) | 301 (49.26) | |
Admission to treatment centre | <0.001† | ||
No | 504 (41.28) | 194 (31.75) | |
Yes | 352 (28.83) | 115 (18.82) | |
Missing | 365 (29.89) | 302 (49.43) | |
Symptomatic status | 0.028† | ||
Asymptomatic | 482 (39.48) | 274 (44.84) | |
Symptomatic | 739 (60.52) | 337 (55.16) |
*P value for t-test.
†P value for χ2 test.