Skip to main content

Table 1 Participant demographic characteristics at baseline

From: The transfer of maternal antibodies and dynamics of maternal and natural infection-induced antibodies against coxsackievirus A16 in Chinese children 0–13 years of age: a longitudinal cohort study

Characteristics

Neonates

(n=538)

1–9-year-old children (n=2475)

Total (n=3013)

Age at baseline (years)

 Median (IQR)

-

4 (2-6)

3 (1–6)

 0

538 (100)

-

538 (18)

 1

-

355 (14)

355 (12)

 2

-

368 (15)

368 (12)

 3

-

332 (13)

332 (11)

 4

-

333 (13)

333 (11)

 5

-

330 (13)

330 (11)

 6

-

283 (11)

283 (9)

 7

-

205 (8)

205 (7)

 8

-

162 (7)

162 (5)

 9

-

107 (4)

107 (4)

Male

286 (53)

1246 (50)

1532 (51)

Has twin siblingsa

12 (2%)

-

12

Gestational age at birth (weeks)

 Median (IQR)

40 (39-41)

-

-

 <37

10 (2)

105 (4)

115 (4)

 37–42

508 (94)

2344 (95)

2852 (95)

 >42

20 (4)

25 (1)

45 (1)

Delivery mode

 Transvaginal delivery

331 (62)

1577 (64)

1908 (63)

 Caesarean

207 (38)

897 (36)

1104 (37)

Birthweight (g)

 Median (IQR)

3300 (3000–3600)

3250 (3000–3500)

3250 (3000–3500)

 <2500

11 (2)

88 (4)

99 (3)

 2500–<4000

491 (91)

2139 (86)

2630 (87)

 ≥4000

36 (7)

247 (10)

283 (9)

Annual family income (RMB, Yuan)

 <20,000

82 (15)

611 (25)

693 (23)

 20,000–<50,000

297 (55)

1382 (56)

1679 (56)

 ≥50,000

158 (29)

482 (19)

640 (21)

  1. Data are n (%). a4 pairs of twins, and 4 neonates had a twin sibling, but their twin sibling did not participate in our study