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Table 3 Risk factors for women’s anemia in Chad in 2019 and 2021

From: Trends and determinants of anemia in children 6–59 months and women of reproductive age in Chad from 2016 to 2021

Characteristics

2019 (n = 5,527)

2021 (n = 6,033)

Woman

n (%)

cOR (95% CI)1

aOR (95% CI)2

n (%)

cOR (95% CI)

aOR (95% CI)2

Age

      

15–19

1,029 (18.6)

1.06 (0.91, 1.23)

 

1,186 (19.7)

1.14 (0.98, 1.32)

 

20–29

2,310 (41.8)

1.00

 

2,453 (40.7)

1.00

 

30–39

1,540 (27.9)

0.94 (0.82, 1.07)

 

1,665 (27.6)

1.01 (0.89, 1.16)

 

40–49

648 (11.7)

1.02 (0.85, 1.21)

 

729 (12.1)

1.01 (0.84, 1.20)

 

Status3

      

Pregnant

801 (14.5)

0.95 (0.81, 1.12)

 

944 (15.7)

0.94 (0.80, 1.10)

1.02 (0.86, 1.20)

Lactating

1,954 (35.4)

1.10 (0.98, 1.24)

 

2,055 (34.1)

1.12 (1.00, 1.26)

1.13 (0.99, 1.27)

Pregnant & lactating

37 (0.7)

0.59 (0.29, 1.21)

 

80 (1.3)

0.32 (0.17, 0.63)

0.31 (0.16, 0.61)

NPNL

2,735 (49.5)

1.00

 

2,954 (49.0)

1.00

1.00

Nutrition counseling4

      

Receipt in last 3 mo.

994 (18.0)

0.71 (0.62, 0.82)

0.68 (0.59, 0.79)

1,378 (22.9)

0.92 (0.81, 1.05)

 

Nutrition knowledge

      

Women’s nutrition

1,391 (25.2)

1.01 (0.89, 1.14)

 

1,639 (27.2)

0.86 (0.76, 0.97)

0.78 (0.69, 0.89)

Anemia prevention

297 (5.4)

1.06 (0.83, 1.34)

 

417 (6.9)

0.86 (0.69, 1.07)

 

Head of Household

      

Sex (male)

4,124 (74.6)

0.96 (0.85, 1.08)

 

4,364 (72.3)

0.96 (0.85, 1.09)

 

Marital status

      

Married

5,013 (90.7)

1.00

 

5,383 (89.2)

1.00

 

Single/Divorced/

Widowed

514 (9.3)

0.96 (0.80, 1.15)

 

650 (10.8)

1.06 (0.89, 1.27)

 

Education level

      

Illiterate

2,848 (51.5)

1.00

1.00

2,939 (48.7)

1.00

1.00

Literate

1,213 (22.0)

0.73 (0.63, 0.84)

0.75 (0.65, 0.87)

1,440 (23.9)

0.83 (0.72, 0.95)

0.81 (0.70, 0.93)

Primary schooling

706 (12.8)

1.05 (0.89, 1.24)

0.94 (0.79, 1.12)

792 (13.1)

1.32 (1.11, 1.55)

1.07 (0.90, 1.28)

Secondary/post-secondary

760 (13.8)

0.92 (0.78, 1.08)

0.88 (0.73, 1.06)

862 (14.3)

1.09 (0.93, 1.28)

0.91 (0.75, 1.09)

Income Source

      

Farmer

3,426 (62.0)

1.00

1.00

3,380 (56.0)

1.00

1.00

Pastoralist

346 (6.3)

0.68 (0.54, 0.86)

0.81 (0.63, 1.02)

429 (7.1)

0.71 (0.57, 0.89)

0.92 (0.73, 1.17)

Business/transport

756 (13.7)

0.63 (0.54, 0.75)

0.69 (0.59, 0.82)

981 (16.3)

0.58 (0.49, 0.68)

0.64 (0.54, 0.75)

Temporary work

220 (4.0)

0.77 (0.58, 1.02)

0.79 (0.60, 1.05)

232 (3.9)

0.57 (0.41, 0.78)

0.55 (0.40, 0.76)

Civil servant

278 (5.0)

0.64 (0.50, 0.83)

0.69 (0.52, 0.90)

266 (4.4)

0.72 (0.55, 0.95)

0.76 (0.56, 1.01)

Other salaried work

117 (2.1)

0.66 (0.45, 0.97)

0.69 (0.47, 1.02)

186 (3.1)

0.93 (0.68, 1.28)

0.85 (0.62, 1.17)

Unemployed

249 (4.5)

0.63 (0.48, 0.83)

0.66 (0.51, 0.87)

345 (5.7)

0.61 (0.47, 0.79)

0.64 (0.50, 0.83)

Other

135 (2.4)

0.79 (0.55, 1.12)

0.81 (0.57, 1.16)

214 (3.6)

0.83 (0.62, 1.12)

0.88 (0.65, 1.19)

Agroecological Zone

      

Saharan zone

862 (15.6)

1.00

1.00

995 (16.5)

1.00

1.00

Sahelian zone

2,770 (50.1)

1.81 (1.54, 2.14)

1.80 (1.52, 2.14)

2,885 (47.8)

2.17 (1.89, 2.60)

2.13 (1.77, 2.57)

Sudanian zone

1,636 (29.6)

2.27 (1.91, 2.71)

2.42 (2.00, 2.94)

1,817 (30.1)

3.06 (2.53, 3.69)

3.16 (2.57, 3.89)

N’Djamena

259 (4.7)

1.19 (0.88, 1.60)

1.46 (1.07, 1.98)

336 (5.6)

1.98 (1.49, 2.64)

2.27 (1.68, 3.06)

  1. Legend: cOR Crude Odds Ratio; aOR Adjusted Odds Ratio; CI Confidence Interval; bold = statistically significant p-value < 0.05; NPNL Non-pregnant non-lactating
  2. 1 Bivariate logistic regression was performed for each variable independently and results are reported as odds ratio with a 95% confidence interval
  3. 2 Multivariate logistic regression models were performed for each variable that had a significant OR in the 2019/2021 bivariate analysis. In 2019, nutrition counseling, education level and income source of the head of household, and agroecological zone were adjusted for. In 2021, woman status, nutrition knowledge, education level and income source of the head of household, and agroecological zone were adjusted for
  4. 3 70 and 93 observations were missing for Woman Status in 2019 and 2021, respectively
  5. 4 40 and 21 observations were missing for Nutrition Counseling in 2019 and 2021, respectively