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. 2020 Apr 8;369:m853. doi: 10.1136/bmj.m853

Table 4.

Parental mental illness and child’s risk of various injuries (n=1 542 000). Values are rate ratios (95% confidence intervals)

Type of injury Period 1: 0-1 years Period 2: 2-5 years Period 3: 6-9 years Period 4: 10-12 years Period 5: 13-17 years
Crude Adjusted* Crude Adjusted* Crude Adjusted* Crude Adjusted* Crude Adjusted*
Any parental mental illness†
Transport injury 1.30 (1.10 to 1.53) 1.09 (0.86 to 1.38) 1.30 (1.24 to 1.37) 1.09 (1.02 to 1.16) 1.26 (1.22 to 1.31) 1.18 (1.13 to 1.23) 1.12 (1.07 to 1.16) 1.09 (1.04 to 1.14) 1.08 (1.04 to 1.12) 1.06 (1.02 to 1.11)
Fall 1.69 (1.65 to 1.73) 1.28 (1.24 to 1.32) 1.25 (1.23 to 1.27) 1.14 (1.12 to 1.16) 1.12 (1.11 to 1.14) 1.09 (1.07 to 1.11) 1.10 (1.08 to 1.12) 1.09 (1.07 to 1.11) 1.01 (0.99 to 1.03) 1.03 (1.00 to 1.05)
Burn 1.68 (1.56 to 1.81) 1.30 (1.18 to 1.43) 1.63 (1.52 to 1.76) 1.39 (1.26 to 1.53) 1.48 (1.31 to 1.67) —¶ 1.40 (1.18 to 1.67) 1.14 (0.93 to 1.41) 1.55 (1.33 to 1.81) 1.47 (1.22 to 1.76)
Drowning 1.57 (1.32 to 1.86) 1.24 (0.99 to 1.54) 1.50 (1.33 to 1.70) 1.32 (1.14 to 1.54) 1.53 (1.22 to 1.92) 1.27 (0.94 to 1.72) 1.68 (1.25 to 2.25) —¶ 1.76 (1.23 to 2.53) 1.79 (1.08 to 2.96)
Poisoning 1.91 (1.73 to 2.11) 1.79 (1.56 to 2.04) 1.89 (1.75 to 2.03) 1.70 (1.55 to 1.87) 1.47 (1.19 to 1.81) —¶ 1.58 (1.19 to 2.09) 1.48 (1.06 to 2.05) 1.84 (1.58 to 2.15) 1.45 (1.21 to 1.73)
Violence 6.23 (4.52 to 8.59) 3.54 (2.28 to 5.48) 3.77 (3.08 to 4.63) 3.02 (2.20 to 4.13) 2.47 (2.07 to 2.94) 1.51 (1.21 to 1.89) 2.45 (2.14 to 2.80) 1.55 (1.30 to 1.84) 2.39 (2.23 to 2.56) 1.60 (1.47 to 1.74)
Any maternal mental illness‡
Transport injury 1.36 (1.12 to 1.66) 1.05 (0.78 to 1.40) 1.27 (1.20 to 1.35) 1.07 (1.00 to 1.16) 1.26 (1.20 to 1.31) 1.16 (1.10 to 1.22) 1.13 (1.08 to 1.18) 1.10 (1.05 to 1.16) 1.08 (1.03 to 1.12) 1.07 (1.02 to 1.12)
Fall 1.73 (1.68 to 1.78) 1.28 (1.23 to 1.32) 1.27 (1.25 to 1.29) 1.15 (1.12 to 1.17) 1.14 (1.12 to 1.16) 1.10 (1.08 to 1.13) 1.08 (1.06 to 1.11) 1.07 (1.04 to 1.10) 1.02 (1.00 to 1.05) 1.03 (1.00 to 1.06)
Burn 1.74 (1.59 to 1.89) 1.36 (1.21 to 1.52) 1.69 (1.55 to 1.84) 1.45 (1.29 to 1.62) 1.63 (1.42 to 1.86) 1.41 (1.20 to 1.65) 1.50 (1.21 to 1.84) 1.23 (0.96 to 1.57) 1.52 (1.28 to 1.82) 1.44 (1.17 to 1.78)
Drowning 1.59 (1.30 to 1.95) 1.43 (1.11 to 1.84) 1.59 (1.39 to 1.83) 1.40 (1.18 to 1.67) 1.57 (1.23 to 2.00) 1.32 (0.97 to 1.78) 1.67 (1.18 to 2.36) —¶ 1.13 (0.76 to 1.67) 0.95 (0.59 to 1.52)
Poisoning 2.08 (1.85 to 2.33) 1.92 (1.65 to 2.24) 1.97 (1.81 to 2.14) 1.85 (1.67 to 2.05) 1.47 (1.16 to 1.87) —¶ 1.67 (1.22 to 2.30) 1.60 (1.10 to 2.32) 1.78 (1.49 to 2.12) 1.34 (1.08 to 1.66)
Violence 5.76 (4.06 to 8.19) 3.43 (2.07 to 5.69) 4.09 (3.23 to 5.17) 3.69 (2.60 to 5.24) 2.83 (2.32 to 3.46) 1.84 (1.43 to 2.37) 2.44 (2.10 to 2.84) 1.51 (1.24 to 1.84) 2.38 (2.20 to 2.56) 1.61 (1.46 to 1.78)
Paternal mental illness§
Transport injury 1.15 (0.88 to 1.50) 1.05 (0.74 to 1.50) 1.36 (1.27 to 1.46) 1.13 (1.03 to 1.23) 1.25 (1.19 to 1.32) 1.19 (1.12 to 1.27) 1.10 (1.04 to 1.16) 1.09 (1.02 to 1.15) 1.07 (1.02 to 1.12) 1.07 (1.01 to 1.13)
Fall 1.61 (1.55 to 1.67) 1.27 (1.21 to 1.34) 1.21 (1.18 to 1.24) 1.12 (1.09 to 1.16) 1.09 (1.07 to 1.12) 1.08 (1.05 to 1.10) 1.10 (1.08 to 1.13) 1.11 (1.08 to 1.15) 0.99 (0.96 to 1.02) 1.03 (0.99 to 1.06)
Burn 1.56 (1.40 to 1.75) 1.19 (1.03 to 1.38) 1.52 (1.37 to 1.68) 1.26 (1.10 to 1.44) 1.35 (1.12 to 1.62) —¶ 1.31 (1.04 to 1.65) —¶ 1.45 (1.18 to 1.79) 1.31 (1.03 to 1.67)
Drowning 1.59 (1.25 to 2.03) 1.05 (0.74 to 1.49) 1.28 (1.07 to 1.54) 1.09 (0.87 to 1.37) 1.35 (0.94 to 1.94) 0.98 (0.57 to 1.68) 1.53 (1.02 to 2.30) —¶ 2.25 (1.36 to 3.74) 2.41 (1.20 to 4.83)
Poisoning 1.81 (1.56 to 2.11) 1.61 (1.32 to 1.96) 1.79 (1.61 to 1.99) 1.47 (1.28 to 1.69) 1.49 (1.14 to 1.95) —¶ 1.56 (1.07 to 2.28) 1.44 (0.94 to 2.21) 1.94 (1.61 to 2.35) 1.51 (1.20 to 1.90)
Violence 6.66 (4.32 to 10.25) 2.81 (1.54 to 5.11) 3.21 (2.48 to 4.16) 1.64 (1.09 to 2.45) 2.46 (1.92 to 3.14) 1.40 (1.03 to 1.89) 2.33 (1.95 to 2.79) 1.43 (1.14 to 1.79) 2.32 (2.12 to 2.53) 1.48 (1.33 to 1.65)
*

Adjusted for sex, birth year, number of siblings (square terms), parental country of birth (missing excluded), maternal age at birth (square terms), paternal age at birth (square terms), living arrangements, parental education, parental employment status, household income.

Period 1, n=1 351 683; period 2, n=1 458 868; period 3, n=1 371 158; period 4, n=973 174; period 5, n=700 454.

Period 1, n=1 350 054; period 2, n=1 456 895; period 3, n=1 368 854; period 4, n=970 751; period 5, n=697 550.

§

Period 1, n=1 333 264; period 2, n=1 440 026; period 3, n=1 353 299; period 4, n=956 468; period 5, n=682 002.

Estimates could not be obtained because of the low number of observations.