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Table 1 Distribution of study variables among cases and controls (Total N = 798)

From: Sex education and self-poisoning in Sri Lanka: an explorative analysis

  Cases
n, % (95% CI)
N = 298
Hospital controls
n, % (95% CI)
N = 500
Sex
 Male 142, 47.7 (42.0-53.3) 205, 41.0 (36.8-45.4)
 Female 156, 52.3 (46.7-58.0) 295, 59.0 (54.6-63.2)
 Missing 0, 0.0 0, 0.0
Age
 Median (IQR) 26.0 (21.0-37.0) 26.0 (21.0-36.0)
 Missing 0, 0.0 0, 0.0
Religion
 Buddhist 225, 75.5 (70.3-80.1) 448, 89.6 (86.6-92.0)
 Hindu 35, 11.7 (8.5-15.9) 17, 3.4 (2.1-5.4)
 Muslim 21, 7.0 (4.6-10.6) 24, 4.8 (3.2-7.1)
 Christian 17, 5.7 (3.6-9.0) 11, 2.2 (1.2-3.9)
 Missing 0, 0.0 0, 0.0
Highest educational attainment from either parent
 No schooling 17, 5.7 (3.4-9.0) 7, 1.4 (0.7-2.9)
 Completed grades 1-10 105, 35.2 (30.0-40.8) 154, 30.8 (26.9-35.0)
 Passed O/L 56, 18.8 (14.7-23.6) 140, 28.0 (24.2-32.1)
 Passed A/L or completed university/postgraduate qualifications 61, 20.5 (16.3-24.4) 160, 32.0 (28.1-36.2)
 Missing 59, 19.8 (15.7-24.7) 39, 7.8 (5.7-10.5)
Marital status
 Married/living with partner 157, 52.7 (47.0-58.3) 234, 46.8 (42.5-51.2)
 Single 122, 40.9 (35.5-46.6) 257, 51.4 (47.0-55.8)
 Divorced/separated/widowed 19, 6.4 (4.1-9.8) 9, 1.8 (0.9-3.4)
 Missing 0, 0.0 0, 0.0
Extent of agreement that teachers at school were interested in them and their life, not just their schoolwork
 Agree strongly 162, 54.4 (48.7-59.9) 261, 52.2 (47.8-56.6)
 Agree somewhat 41, 13.8 (10.3-13.2) 101, 20.2 (16.9-24.0)
 Neither agree/disagree 35, 11.7 (8.5-15.9) 44, 8.8 (6.6-11.6)
 Disagree somewhat 23, 7.7 (5.2-11.4) 29, 5.8 (4.1-8.2)
 Disagree strongly 31, 10.4 (7.4-14.4) 52, 10.4 (8.0-13.4)
 Missing 6, 2.0 (0.9-4.4) 13, 2.6 (1.5-4.4)
Extent to which parents/guardians understood their problems and worries during their first 18 years of life
 Parents did understand their problems and worries 27, 9.1 (6.3-12.9) 8, 1.6 (0.8-3.2)
 Parents did not understand their problems and worries 266, 89.3 (85.2-92.3) 488, 97.6 (95.8-98.6)
 Missing 5, 1.7 (0.7-4.0) 4, 0.8 (0.3-2.1)
Receipt of sex education
 Yes 191, 64.1 (58.5-69.3) 390, 78.0 (74.1-81.4)
 No 104, 34.9 (29.7-40.5) 108, 21.6 (18.2-25.4)
 Missing 3, 1.0 (0.3-3.1) 2, 0.4 (0.1-1.6)
Quality of sex education received through school
 Good quality 129, 43.3 (37.8-49.0) 226, 45.2 (40.9-49.6)
 Poor quality 59, 19.8 (15.7-24.7) 149, 29.8 (25.9-34.0)
 No sex education 104, 34.9 (29.7-40.5) 108, 21.6 (18.2-25.4)
 Missing 6, 2.0 (0.9-4.4) 17, 3.4 (2.1-5.4)
Usefulness of sex education
 Useful 168, 56.4 (50.7-61.9) 362, 72.4 (68.3-76.1)
 Not useful 23, 7.7 (5.2-11.4) 26, 5.2 (3.6-7.5)
 No sex education 104, 34.9 (29.7-40.5) 108, 21.6 (18.2-25.4)
 Missing 3, 1.0 (0.3-3.1) 4, 0.8 (0.3-2.1)
  1. A/L Advanced level
  2. CI Confidence interval
  3. IQR Interquartile range
  4. O/L Ordinary level