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Table 4 Relationship between risk index score and restraint episodes

From: Characteristics of adolescents frequently restrained in acute psychiatric units in Norway: a nationwide study

Risk index score N (%) Number of restraint episodes
0–1 2–4 5–9 ≥10
n (%) n (%) n (%) n (%)
0–1 28 (100) 15 (54) 10 (36) 3 (11) 0 (0)
2 38 (100) 16 (42) 11 (29) 5 (13) 6 (16)
3 63 (100) 23 (37) 22 (35) 8 (13) 10 (16)
4–7 68 (100) 14 (21) 22 (32) 8 (12) 24 (35)
  1. Goodman and Kruskal’s gamma is .35
  2. Data from N = 197 adolescents with valid Information for all four of the variables used for the risk index score