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Table 1 Characteristics of the surveyed sample

From: How costly is the first prenatal clinic visit? Analysis of out-of-pocket expenditure in rural Sri Lanka - a country with free maternal health care

Characteristics/measurement n Percentage (%)/statistics
Ethnicity Sinhalese 1184 89.8%
Tamil 6 0.4%
Moor 124 9.4%
Malay 1 0.1%
Other 4 0.3%
Religion Buddhist 1172 88.8%
Catholic/Christian 18 1.4%
Hindu 4 0.3%
Islam 126 9.5%
Education level (in school) Less than primary education (< grade 5) 10 0.8%
Up to primary education 2 0.2%
Between grades 5 to 11 116 8.8%
Up to ordinary level examination (O/L) 641 48.8%
Up to advanced level examination (A/L) 544 41.4%
Employment status Employed 295 21.2%
Housewives (do not engage in any income-generating activities) 1094 78.8%
Employment sector Government 112 38.4%
Semi-government 15 5.1%
Private 79 27.1%
Other 86 29.4%
Age (in years) Mean (SD) 1389 28.3 (5.5)
Median (IQR) 28 (25–32)
No. of pregnancies Mean (SD) 1389 2.1 (1.1)
Median (IQR) 2 (1–3)
1 510 36.7%
2 416 29.9%
3 335 24.1%
4 and more 128 9.3%
Period of Amenorrhea (POA)-at the time of recruitment (in weeks) Mean (SD) 1389 9.2 (3.1)
Median (IQR) 9 (7–10)
< 6 weeks 174 13.0%
6–8 weeks 484 36.2%
8–10 weeks 372 27.8%
10–12 weeks 173 12.9%
> 12 weeks 135 10.1%
Mother’s monthly income (USD) Mean (SD) 295 154.82 (126.20)
Median (IQR) 141.74 (85.04–203.54)
Monthly household income (USD) Mean (SD) 1389 283.24 (220.99)
Median (IQR) 226.78 (170.09–323.17)
Monthly household expenditure (USD) Mean (SD) 1362 184.81 (119.20)
Median (IQR) 163.00 (111.12–230.47)