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Table 1 Distribution of socio-demographic characteristics of the study participants

From: Proportion of unplanned pregnancies, their determinants and health outcomes of women delivering at a teaching hospital in Sri Lanka

Characteristics Mean (SD) Range Spearman rank correlation test Spearman rank correlation coefficient
Age at marriage (in years) 23 (4.5) 14–39 < 0.001 c 0.222 d
Maternal age at conception(in years) 28.5 (5.78) 15–48 0.331 c −0.44 d
Monthly income (LKR)* 45,000 8000–150,000 0.001 c 0.154 d
Characteristics N (%) LMUP score a p value
Ethnicity
 Sinhalese 448 (90.6) 11 (7–12) 0.107 b
 Non Sinhalesee 46 (41.3) 10 (3–12)  
Religion
 Buddhist 356 (72.1) 11 (7–12) 0.287 b
 Other Religionsf 138 (27.9) 11 (5.7–12)  
Marital status
 Not married 8 (1.6) 2 (1.8–5) * 0.001 b
 Married 486 (98.4) 11 (7–12)  
Educational level of women
 Educated up to passing ordinary level 172 (34.8) 10 (2.2–11) < 0.001 b
 Educated up to Grade 12 and above 322 (65.1) 11 (10–12)  
Educational level of spouse
 Educated up to passing ordinary level 292 (59.1) 10 (4–12) < 0.001 b
 Educated up to Grade 12 and above 202 (40.8) 11 (10–12)  
Employment status of women
 Unemployed 364 (73.6) 11 (6–12) 0.664 b
 Employed 130 (26.3) 11 (9–12)  
  1. *1 USD =179.68 LKR in 2016
  2. aData are presented as median [interquartile range]
  3. bMann–Whitney U tests
  4. c P value of Spearman rank correlation test
  5. d Spearman rank correlation between the written characteristics and the LMUP value
  6. e Tamil, Muslim, and Burger were amalgamated
  7. f Catholic, Islam and Hindu were amalgamated