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Table 1 Characteristics of Study Population

From: The association of maternal age with adverse neonatal outcomes in Lusaka, Zambia: a prospective cohort study

Characteristic

Total (N = 11,501)

Maternal Age

  

10–19 (n = 1,788)

20–24 (n = 3,980)

25–34 (n = 4,651)

35+ (n = 1,082)

 

N ( column % )

N ( column % )

N ( column % )

N ( column % )

N ( column % )

Highest Education

  No formal education

434 (3.8)

16 (0.9)

94 (2.4)

229 (4.9)

95 (8.8)

  Some school/Primary school

4,380 (38.1)

635 (35.5)

1,195 (30.0)

1,939 (41.7)

611 (56.5)

  Secondary school

6,351 (55.2)

1,129 (63.1)

2,590 (65.1)

2,281 (41.0)

351 (32.4)

  College

327 (2.8)

5 (0.3)

100 (2.5)

197 (4.2)

25 (2.3)

  Parity (mean, SD)

1.6 (1.5)

0.1 (0.4)

0.8 (0.8)

2.2 (1.2)

3.9 (1.4)

ANC visits (mean, SD)

3.1 (1.0)

3.1 (1.0)

3.1 (1.0)

3.1 (1.0)

3.0 (1.0)

Mode of Birth

  Vaginal

10,879 (94.6)

1,661 (92.9)

3,751 (94.3)

4,432 (95.3)

1,035 (95.7)

  C-Section

200 (1.7)

27 (1.5)

67 (1.7)

81 (1.7)

25 (2.3)

Location of Birth

  Health facility

10,644 (92.6)

1,643 (91.9)

3,697 (92.9)

4,304(92.5)

1,000 (92.4)

  Home

489 (4.3)

51 (2.9)

146 (3.7)

234 (5.0)

58 (5.4)

  Other

17 (0.2)

3 (0.2)

4 (0.1)

7 (0.2)

3 (0.3)

Birth Attendant

  Physician (Obstetrician/ Non-specialist)

263 (2.4)

28 (1.7)

92 (2.4)

106 (2.3)

37 (3.5)

  Nurse/Nurse-midwife

10,408 (93.1)

1,618 (95.3)

3,604 (93.7)

4,194 (92.3)

962 (90.6)

  Traditional birth attendant

14 (0.1)

2 (0.1)

1 (0.03)

9 (0.2)

2 (0.2)

  Family or neighbor

457 (4.1)

47 (2.8)

136 (3.5)

219 (4.8)

54 (5.1)

  Self-birth

28 (0.3)

2 (0.1)

8 (0.2)

11 (0.2)

7 (0.7)

  1. SD Standard Deviation
  2. aNumbers may not sum to column totals due to missing data