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Table 1 Characteristics at the beginning of an observation period

From: Is early measles vaccination associated with stronger survival benefits than later measles vaccination?

 

Measles unvaccinated

Measles Vaccinated

P-value

Number (%)

9440 (30)

22,285 (70)

 

Agea [median (IQR)]

10.9 (8.1–17.6)

22.6 (16.3–28.9)

<.0001

Sex [n (%)]

  

0.68

 Male

4782 (51)

11,345 (51)

 

Child MUAC (z-score)b [mean (SD)]

−0.60 (1.15)

−0.66 (1.07)

<.0001

Region [n (%)]

  

<.0001

 Oio

1930 (30)

4477 (70)

 

 Biombo

2287 (34)

4438 (66)

 

 Gabu

1685 (24)

5352 (76)

 

 Cacheu

1613 (31)

3524 (69)

 

 Bafata

1925 (30)

4494 (70)

 

Ethnicity [n (%)]c

  

<.0001

 Balanta

1701 (18)

3159 (14)

 

 Papel

1904 (20)

3587 (16)

 

 Mandinga, Fula

4419 (47)

12,268 (55)

 

 Mandjaco, mancanha

789 (8)

1615 (7)

 

 Others

578 (6)

1519 (7)

 

Season of birth [n (%)]

  

.0008

 Dry season

5215 (55)

12,770 (57)

 

Maternal schooling [n (%)]d

  

0.08

 0 years

6277 (66)

15,450 (69)

 

 1–4 years

1111 (12)

2522 (11)

 

  > 4 years

419 (4)

964 (4)

 

Maternal agee [mean(SD)]

26.1 (6.9)

25.9 (6.9)

0.01

Maternal MUACf [mean [SD]]

254 (25)

256 (1.07)

<.0001

Lives with motherg [n (%)]

  

<.0001

 Yes

9352 (99)

21,983 (99)

 

 No

73 (1)

293 (1)

 

Stopped breastfeedingh [n (%)]

  

<.0001

 Yes

1116 (12)

8976 (40)

 

 No

8318 (88)

13,304 (60)

 

Sleeping under a bed neti [n (%)]

  

0.13

 All year

3644 (39)

8882 (40)

 

 Rainy season only

5496 (58)

12,736 (57)

 

 No

280 (3)

645 (3)

 

Year of card inspection [n (%)]

  

<.0001

 1999

1002 (11)

2283 (10)

 

 2000

1202 (13)

2621 (12)

 

 2001

1528 (16)

2766 (12)

 

 2002

1524 (16)

2717 (12)

 

 2003

1165 (12)

3186 (14)

 

 2004

1113 (12)

3564 (16)

 

 2005

1373 (15)

3614 (16)

 

 2006

533 (6)

1535 (7)

 
  1. aAge in months at the date of card inspection
  2. bMean Z-score MUAC-for-age using the 2006 WHO reference (Standard deviation). Missing information for 550 observations from measles-unvaccinated and children and 988 observations from measles-vaccinated children
  3. cMissing information for 49 observations from measles-unvaccinated children and 137 observations from measles-vaccinated children
  4. dMissing information for 1633 observations from measles-unvaccinated children and 3351 observations from measles-vaccinated children
  5. eMean maternal age at the date of the child’s birth (Standard deviation). Missing information for 50 observations from measles-unvaccinated children and 130 observations from measles-vaccinated children
  6. fMean maternal MUAC at registration of pregnancy (Standard deviation). Missing information for 5576 observations from measles-unvaccinated children and 12,731 observations from measles-vaccinated children
  7. gMissing information for 4 observations from measles-unvaccinated children and 3 observations from measles-vaccinated children
  8. hMissing information for 5 observations from measles-unvaccinated children and 5 observations from measles-vaccinated children
  9. iMissing information for 19 observations from measles-unvaccinated children and 22 observations from measles-vaccinated children
  10. Abbreviations: MUAC mid-upper-arm-circumference