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Table 1 Characteristics of study population from two regions in the Philippines (N = 460)

From: Handheld ultrasound to avert maternal and neonatal deaths in 2 regions of the Philippines: an iBuntis® intervention study

Characteristic Rural Tagum (n = 210) Urban Parañaque (n = 250) p-value
Age (years), mean [SD]a 25.0 [6.2] 26.0 [6.4] 0.09
Age of 1st menstruation (years), mean [SD] 13.1 [1.6] 13.4 [1.7] 0.053
Smoking status, N (%)
 Ever 31 (14.8) 36 (14.4) 0.91
 Never 179 (85.2) 214 (85.6)  
Contraceptive usage, N (%)
 Ever 108 (51.4) 121 (48.4) 0.52
 Never 102 (48.6) 129 (51.6)  
Menstrual cycle, N (%)b
 Irregular 22 (10.5) 27 (10.8) 0.91
 Normal 188 (89.5) 223 (89.2)  
Had a pap smear procedure, N (%)
 Yes 31 (15.7) 34 (13.6) 0.55
 No 166 (84.3) 214 (85.6)  
 Missing 13   
  1. aSD Standard deviation; bIrregular menstrual cycle: < 28 days or >35 days