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Table 4 Comparing the hazard ratios of first maltreatment report before age six years accounting for out of state emigration and linkage parameters, ALCANLink (n = 1235)

From: Quantifying sources of bias in longitudinal data linkage studies of child abuse and neglect: measuring impact of outcome specification, linkage error, and partial cohort follow-up

Factor

Accounting for emigration (probabilistic)

Not accounting for emigration (probabilistic)

% changea

Accounting for emigration (deterministic)

% changea

Not accounting for emigration (deterministic)

% changea

HR

95% CI

HR

95% CI

HR

95% CI

HR

95% CI

Military paid births (ref = nonmilitary)

1.1

0.7, 1.8

0.7

0.4, 1.2

0.333

1.2

0.6, 2.1

0.081

0.7

0.4, 1.4

0.309

Race (ref = White)

 Alaska Native

3.0

2.2, 3.9

3.3

2.5, 4.4

0.114

3.0

2.2, 4.3

0.019

3.6

2.6, 5.0

0.204

 Other

2.3

1.4, 3.8

2.3

1.4, 3.8

0.000

2.3

1.3, 4.3

0.006

2.4

1.3, 4.3

0.039

Unmarried marital status ref. = Married)

3.8

2.9, 5.1

4.1

3.1, 5.5

0.079

3.1

2.3, 4.4

0.177

3.1

2.2, 4.3

0.186

Medicaid birth (ref = no)

3.7

2.6, 5.2

4.1

2.9, 5.7

0.104

3.7

2.4, 5.6

0.005

4.0

2.6, 6.1

0.088

<12 years maternal education (ref = 12+ years)

3.1

2.3, 4.2

3.3

2.5, 4.5

0.058

2.3

1.6, 3.3

0.267

2.5

1.7, 3.6

0.212

Female (ref = Male)

1.3

1.0, 1.7

1.2

0.9, 1.6

0.024

1.2

0.9, 1.6

0.024

1.5

1.1, 2.0

0.152

Maternal age (ref = 25+ years)

 20–24 years

2.2

1.6, 3.0

2.2

1.6, 3.0

0.009

2.2

1.6, 3.0

0.009

2.2

1.6, 3.0

0.009

  < 20 years

3.5

2.5, 5.1

3.7

2.5, 5.3

0.034

3.7

2.5, 5.3

0.034

3.1

2.1, 4.7

0.121

Birth weight < 2500 g (ref = 2500 + g)

1.7

1.4, 2.0

1.6

1.3, 1.9

0.060

1.7

1.3, 2.1

0.005

1.5

1.2, 1.9

0.096

Any Maternal smoking 2 years prior to birth (ref = No)

2.9

2.2, 3.9

3.0

2.2, 4.0

0.015

3.6

2.6, 5.0

0.225

3.5

2.5, 4.9

0.193

Any Birth defect listed on birth certificate (ref = No)

1.2

0.5, 2.8

1.2

0.5, 2.7

0.026

1.1

0.3, 3.3

0.125

1.1

0.4, 3.2

0.071

Mother Lost jobb (ref = No)

2.4

1.7, 3.5

2.4

1.6, 3.4

0.025

2.1

1.3, 3.4

0.124

2.3

1.5, 3.7

0.034

Moved to a new addressb (ref = No)

1.6

1.2, 2.1

1.6

1.2, 2.0

0.019

1.6

1.2, 2.2

0.012

1.4

1.0, 2.0

0.103

  1. HR Hazard Ratio, 95% CI 95% Confidence Interval, ref reference level
  2. a% change compared to HR accounting for emigration and using probabilistic linkages
  3. bDuring the 12 months before the child was born
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Injury Epidemiology

ISSN: 2197-1714