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. 2020 Jul 14;8(7):e17891. doi: 10.2196/17891

Table 2.

Sample characteristics of female cell phone owners in Burkina Faso, overall and by study arm.

Characteristics Total study population (N=1766) Hybrid interactive voice response arm (n=882) Computer-assisted telephone interview arm (n=884)
Age (years)

Mean (SD) 28.5 (8.9) 28.6 (9.1) 28.4 (8.7)

Range, n (%)


15-19 338 (19.12) 163 (18.5) 175 (19.8)


20-24 351 (19.85) 175 (19.8) 175 (19.8)


25-29 342 (19.34) 176 (19.9) 166 (18.8)


30-34 265 (14.99) 126 (14.3) 139 (15.7)


35-39 207 (11.71) 192 (11.6) 105 (11.9)


40-44 158 (8.94) 82 (9.3) 76 (8.6)


45-49 107 (6.05) 58 (6.6) 48 (5.4)
Residential area, n (%)

Urban 591 (33.43) 294 (33.3) 295 (33.4)

Rural 1177 (66.57) 588 (66.7) 589 (66.6)
Marital status, n (%)

Currently not in union 614 (34.73) 312 (35.4) 301 (34.1)

Currently in union 1154 (65.27) 568 (64.4) 583 (65.9)
Highest school attended, n (%)

Never 743 (42.02) 370 (42.0) 370 (41.9)

Primary 351 (19.85) 181 (20.5) 170 (19.2)

Secondary or higher 674 (38.12) 330 (37.4) 344 (38.9)
HHa wealth (tertile), n (%)

Lowest 271 (15.33) 137 (15.5) 133 (15.1)

Middle 320 (18.10) 155 (17.6) 165 (18.7)

High 1177 (66.57) 590 (66.9) 586 (66.3)
Parity, n (%)

Yes 1270 (71.91) 639 (72.5) 630 (71.3)

No 496 (28.08) 243 (27.5) 254 (28.7)
HH electricity, n (%)

Yes 1096 (61.99) 548 (62.1) 548 (62.0)

No 672 (38.01) 334 (37.9) 336 (38.0)

aHH: household.