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Table 5 Percentage in each group with IM, by marital status, and numbers on which percentages are based (n/N)

From: Maternal and perinatal factors associated with hospitalised infectious mononucleosis in children, adolescents and young adults: record linkage study

Group

Percentage with IM

number with IM/N in subgroup

 

Married

Not married

Married

Not married

First born

0.09

0.02

84/886831

3/153241

Younger siblings

0.10

0.04

135/1353932

3/85662

Social class* 1,2

0.08

0.00

53/663583

0/18213

Social class* 3

0.11

0.02

89/824954

1/42864

Social class* 4,5

0.13

0.04

43/329175

1/25585

  1. * Data only available for part of the study period
  2. Chi square values (with Yates' correction), comparing hospitalised IM in offspring of mothers who were married or not married, 17.95, p = .005; 22.88, p = .09; 30.61, p = 0.44; 42.05, p = 0.15; 50.95, p = 0.33.
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BMC Infectious Diseases

ISSN: 1471-2334

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