Table 3 Association between number of tests and women's socio-economic characteristics and health facility of first antenatal care visit and first HIV test

423 (42.3)

577 (57.7)

Age (years)

p = 0.16

15-24

101 (37.4)

169 (62.6)

1.3 (1.0 - 1.8)

25-34

269 (44.2)

340 (55.8)

1.0

35-49

53 (43.8)

68 (56.2)

1.0 (0.7 - 1.5)

Number of children

p = 0.09

1

205 (39.0)

320 (61.0)

1.3 (1.0 - 1.7)

2

204 (45.8)

241(54.2)

1.0

3-4

14 (46.7)

16 (53.3)

1.0 (0.5 - 2.3)

Education level

p = 0.46

Primary school

25 (51.0)

24 (49.0)

0.7 (0.4 - 1.4)

Secondary school

116 (40.3)

172 (59.7)

1.2 (0.9 - 1.6)

High school/vocational

131 (41.0)

188 (58.9)

1.1 (0.8 - 1.5)

College/University

151 (43.9)

193 (56.1)

1.0

Occupational

p = 0.31

Housewife/Unemployed

165 (42.3)

225 (57.7)

1.1 (0.8 - 1.4)

Farmer/seasonal work

23 (31.9)

49 (68.1)

1.7 (1.0 - 2.8)

Government staff/workers

142 (43.7)

183 (56.3)

1.0

Business/Other jobs

93 (43.7)

120 (56.3)

1.0 (0.7 - 1.4)

Residence

p < 0.0001

Urban area

142 (48.8)

149 (51.2)

1.0

1.0

Semi-urban area

128 (33.9)

250 (66.1)

1.9 (1.4 - 2.6)

1.8 (1.3 - 2.6)

Remote rural area

153 (46.2)

178 (53.8)

1.1 (0.8 - 1.5)

0.5 (0.3 - 0.7)

Monthly income (million VND)

p = 0.54

<1.5

96 (43.2)

128 (56.8)

1.0 (0.7 - 1.4)

1.5 - 2.5

101(43.9)

129 (56.1)

1.0 (0.7 - 1.4)

2.5 - 3.5

133 (43.6)

172 (56.4)

1.0

>3.5

93 (38.3)

150 (61.7)

1.3 (0.9 - 1.8)

HF of 1 ^st HIV testing

p < 0.0001

Primary HFs

114 (26.3)

320 (73.7)

4.7 (3.5 - 6.4)

6.8 (4.4 - 10.6)

Secondary HFs

97 (42.7)

130 (57.3)

2.2 (1.6 - 3.2)

4.9 (2.9 - 8.1)

Tertiary HF

212 (62.5)

127 (37.5))

1.0

1.0

HF of 1 ^st ANC visit

381 (41.8)

513 (58.2)

p < 0.0001

Primary HFs

46 (27.4)

122 (72.6)

2.9 (1.9 - 4.3)

1.0 (0.6 - 1.7)

Secondary HFs

188 (40.9)

272 (59.1)

1.6 (1.2 - 2.1)

0.8 (0.6 - 1.3)

Tertiary HF

147 (51.8)

137 (48.2)

1.0

1.0