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Table 2 Classification of Developmental Trajectories of Cumulative Risk (CR) Exposure

From: Patterns of risk exposure in first 1,000 days of life and health, behavior, and education-related problems at age 4.5: evidence from Growing Up in New Zealand, a longitudinal cohort study

Developmental Trajectories of CR

Rawa

Imputedb

#

Antenatal CR

9 months CR

2 years CR

n (%)

n (%)

9

High

High

High

317 (5)

422 (7)

8

Medium or Zero

High

High

198 (3)

229 (4)

7

High

Medium or Zero

High

72 (1)

102 (2)

6

High

High

Medium or Zero

81 (1)

99 (2)

5

High

Medium or Zero

Medium or Zero

129 (2)

149 (2)

4

Medium or Zero

High

Medium or Zero

103 (2)

112 (2)

3

Medium or Zero

Medium or Zero

High

139 (2)

161 (3)

2

Medium or Zero

Medium or Zero

Medium or Zero

2037 (52)

2979 (48)

1

Zero

Zero

Zero

1761 (30)

1829 (30)

  1. “Medium or Zero” indicates CR of 0–3 at this assessment but excludes those who consistently had CR = 0 exposure across all three assessments (who were classified as the #1 trajectory)
  2. an = 5837
  3. bn = 6156