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Table 1 Frequency distribution of demographic and socioeconomic. Characteristics of the advanced level students

From: Knowledge of non-communicable diseases and practices related to healthy lifestyles among adolescents, in state schools of a selected educational division in Sri Lanka

Variablea Females Males Total (Row)
Total 347(54.7%) 287(45.3%) 634 (100%)
  n (%) n (%) n (%)
Ethnicity
 Sinhalese 341 (98.2) 285 (99.3) 626 (98.7)
 Tamil 3 (0.9) 0 (0) 3 (0.5)
 Moors 3 (0.9) 0 (0) 3 (0.5)
 Burger 0 (0) 2 (0.7) 2 (0.3)
Father’s level of education
 No schooling 2 (0.6) 0 (0) 2 (0.3)
 Grade 1–5 15 (4.3) 6 (2.1) 21 (3.3)
 Grade 6–10 63 (18.2) 41 (14.3) 104 (16.4)
 Passed GCE O/La 72 (20.7) 73 (25.4) 145 (22.9)
 Up to GCE A/Lb 56 (16.2) 46 (16.0) 102 (16.1)
 Passed GCE A/L 74 (21.3) 63 (22.0) 137 (21.6)
 University/Professional degree 16 (4.6) 28 (9.8) 44 (6.9)
 Not known/ Missing 49 (14.1) 30 (10.4) 79 (12.5)
Mother’s level of education
 No schooling 2 (0.6) 1 (0.3) 3 (0.5)
 Grade 1–5 14 (4.0) 9 (3.1) 23 (3.6)
 Grade 6–10 54 (15.6) 39 (13.6) 93 (14.7)
 Passed GCE O/L 107 (30.8) 77 (26.9) 184 (29.0)
 Up to GCE A/L 63 (18.2) 58 (20.2) 121 (19.1)
 Passed GCE A/L 77 (22.2) 67 (23.3) 144 (22.7)
 University/Professional degree 4 (1.2) 13 (4.5) 17 (2.7)
 Not known/ Missing 26 (7.4) 23 (8.1) 49 (7.7)
Socioeconomic status
 First Quintile-poorest 73 (21.0) 29 (10.1) 102 (16.1)
 Second Quintile 43 (12.4) 43 (15.0) 86 (13.6)
 Third Quintile 51 (14.7) 52 (18.2) 103 (16.2)
 Fourth Quintile 52 (15.0) 51 (17.8) 103 (16.2)
 Fifth quintile-richest 59 (17.0) 65 (22.5) 124 (19.6)
 Not known/ Missing 69 (19.9) 47 (16.4) 116 (18.3)
Mean age (SD) years 17.9 (0.56) 18.9 (0.5) 18.4 (0.38)
  1. aGeneral Certificate of Education; Ordinary Level Examination
  2. bGeneral Certificate of Education; Advanced Level Examination