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Table 2 Sexual and reproductive health characteristics of adolescents in Burundi using the 1987, 2010 and 2016/17 BDHS data

From: Prevalence, trend and determinants of adolescent childbearing in Burundi: a multilevel analysis of the 1987 to 2016–17 Burundi Demographic and Health Surveys data

Variables /categories BDHS year
1987 (N = 731) 2010(N = 2359) 2016–17(N = 3859)
n (%) n (%) n (%)
Age at First Sex
≤ 14 years 5 (0.7) 83 (3.5) 101 (2.6)
 15–17 years 32 (4.4) 217 (9.2) 326 (8.5)
 18–19 years 24 (3.3) 74 (3.2) 139 (3.6)
 Not had sex/inconsistent/missing 670 (91.6) 1985 (84.1) 3292 (85.3)
Age at First Marriage
  ≤ 17 years 29 (4.0) 159 (6.7) 148 (3.8)
 18–19 years 20 (2.8) 72 (3.1) 109 (2.8)
 Never in union 682 (93.2) 2128 (90.2) 3601 (93.3)
Age at First Birth
  ≤ 17 years 13 (1.7) 84 (3.6) 127 (3.3)
 18–19 years 11 (1.5) 74 (3.1) 107 (2.8)
 Still no birth 708 (96.8) 2201 (93.3) 3624 (93.9)
Knowledge of Any Contraceptive Methods
 Has knowledge 293 (40.1) 2166 (91.8) 3468 (89.9)
 No knowledge 438 (59,9) 193 (8.2) 390 (10.1)
Contraceptive Use and Intention
 Using modern method   30 (1.3) 98 (2.5)
 Using traditional method   4 (0.2) 18 (0.5)
 Non-user - intends to use later   1904 (80.7) 2785 (72.2)
 Does not intend to use   421 (17.8) 958 (24.8)
Unmet Need for Contraception
 Never had sex   1688 (71.5) 2,878 (74.6)
 Unmet need for spacing/limiting   75 (3.2) 95 (2.5)
 Using for spacing/liming   34 (1.5) 116 (3.0)
 No unmet need   154 (6.5) 161 (4.2)
 Not married and no sex in last 30 days   104 (4.4) 195 (5.1)
 Infecund/menopausal   304 (12.9) 413 (10.7)
Fertility Preference
 Have another pregnancy 42 (5.8) 2254 (95.5) 3724 (96.5)
 Undecided 0 (0,0) 49 (2.1) 33 (0.8)
 No more 0 (0.1) 31 (1.3) 77 (2.0)
 Declared infecund/Sterilized 24 (1.0) 25 (0.7)
 Missing 688 (94 .1) 2 (0.1)