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Table 1 Basic characteristics of women using HC and their matched controls

From: Population-level indicators associated with hormonal contraception use: a register-based matched case–control study

  HC users
(n = 294,445)
HC non-users
(n = 294,445)
mean (SD) / n (%) / median (IQR range)
Age, years 28.9 (8.6) 28.9 (8.6)
Civil status
 Unmarried 211,519 (71.8) 192,488 (65.4)
 Married 65,710 (22.3) 85,535 (29.0)
 Divorced 16,518 (5.6) 15,241 (5.2)
 Widowed/Other 698 (0.3) 1181 (0.4)
Highest education level
 Upper secondary/Post-secondary non-tertiary 142,373 (48.4) 134,095 (45.6)
 Short-cycle tertiary 8187 (2.8) 7229 (2.5)
 Bachelor’s degree 60,507 (20.5) 51,710 (17.6)
 Master’s, doctoral or equivalent 34,004 (11.6) 31,390 (10.6)
 Missing (including e.g., missing information on education other than of primary school level, school dropouts) 49,374 (16.8) 69,979 (23.8)
Socio-economic group
 Self-employed 10,070 (3.4) 10,708 (3.6)
 Upper-level employees 37,177 (12.6) 34,823 (11.8)
 Lower-level employees 104,890 (35.6) 86,057 (29.2)
 Manual workers 45,119 (15.3) 42,264 (14.4)
 Students 56,607 (19.2) 63,946 (21.7)
 Pensioners 3748 (1.3) 6730 (2.3)
 Others 22,358 (7.6) 28,774 (9.8)
 Unknown 13,626 (4.6) 16,964 (5.8)
 Missing 850 (0.3) 4179 (1.4)
Income, € 19,580 (14756) 17,042 (16254)
  1. HC Hormonal Contraception