Table 2 Baseline characteristics and covariate balance (non-SiVET vs SiVET) in the concurrent period.

From: Use of propensity score matching to create counterfactual group to assess potential HIV prevention interventions

Variables

Before propensity score matching

After propensity score matching

Non-SiVET (n = 953)

SiVET (n = 572)

p-value

Std (diff)

Non-SiVET (n = 469)

SiVET (n = 469)

p-value

Std (diff)

Source population

  

 < 0.001

0.409

  

0.112

0.104

FF

283 (29.7)

282 (49.3)

  

208 (44.3)

184 (39.2)

  

FSW

670 (70.3)

290 (50.7)

  

261 (55.7)

285 (60.8)

  

Sex

  

 < 0.001

0.511

  

0.235

0.078

Male

137 (14.4)

205 (35.8)

  

131 (27.9)

115 (24.5)

  

Female

816 (85.6)

367 (64.2)

  

338 (72.1)

354 (75.5)

  

Age (years)

  

 < 0.001

0.313

  

0.489

0.045

18–24

431 (45.2)

173 (30.2)

  

152 (32.4)

162 (34.5)

  

25 + 

522 (54.8)

399 (69.8)

  

317 (67.6)

307 (65.5)

  

Ethnicity

  

0.018

0.125

  

0.647

0.030

Baganda

409 (42.9)

281 (49.1)

  

230 (49.0)

223 (47.5)

  

Other

544 (57.1)

291 (50.9)

  

239 (51.0)

246 (52.5)

  

Education

  

 < 0.001

0.298

  

1.000

0.000

Primary/none

779 (81.7)

395 (69.1)

  

334 (71.2)

334 (71.2)

  

Secondary + 

174 (18.3)

177 (30.9)

  

135 (28.8)

135 (28.8)

  

Religion

  

0.874

0.008

  

0.878

0.010

Christian

723 (75.9)

436 (76.2)

  

358 (76.3)

360 (76.8)

  

Muslim

230 (24.1)

136 (23.8)

  

111 (23.7)

109 (23.2)

  

Marital status

  

0.002

0.167

  

0.716

0.024

Single (never married)

326 (34.2)

152 (26.6)

  

128 (27.3)

133 (28.4)

  

Current/previously married

627 (65.8)

420 (73.4)

  

341 (72.7)

336 (71.6)

  

Occupation

  

 < 0.001

0.412

  

0.213

0.081

Fishing/related

124 (13.0)

169 (29.5)

  

115 (24.5)

99 (21.1)

  

Other (non-fishing)

829 (87.0)

403 (70.5)

  

354 (75.5)

370 (78.9)

  

Duration (years) lived in community

 

 < 0.001

0.376

  

0.626

0.032

0–1

318 (33.4)

99 (17.3)

  

92 (19.6)

98 (20.9)

  

 > 1

635 (66.6)

473 (82.7)

  

377 (80.4)

371 (79.1)

  

Alcohol use (last 3-month)

 

0.001

0.179

  

0.270

0.072

No

275 (28.9)

213 (37.2)

  

167 (35.6)

151 (32.2)

  

Yes

678 (71.1)

359 (62.8)

  

302 (64.4)

318 (67.8)

  

Number of partners (last 3-month)

 < 0.001

0.298

  

0.168

0.090

0–1

198 (20.8)

194 (33.9)

  

142 (30.3)

123 (26.2)

  

2 + 

755 (79.2)

378 (66.1)

  

327 (69.7)

346 (73.8)

  
  1. SiVET simulated vaccine efficacy trial, Std (diff) standardized difference, FF fisherfolk, FSW female sex worker.