Table 2.

Association Between Visual Acuity and Non-affective Psychosis

Best eyeWorst Eye
N (%)Events/PYARHR (95% CI)N (%)Events/PYARHR (95% CI)
UnadjustedAdjustedaUnadjustedAdjusteda
Uncorrected acuity
 Normal (1.0)903227 (79.18)8441/22.97 × 1061 (Reference)1 (Reference)795250 (69.72)7138/20.14 × 1061 (Reference)1 (Reference)
 Mild impairment (<1.0 to >0.5)84663 (7.42)946/20.27 × 1051.24 (1.16–1.33)1.25 (1.16–1.34)107476 (9.42)1190/25.97 × 1051.27 (1.20–1.35)1.22 (1.14–1.31)
 Moderate impairment (≤0.5 to ≥0.3)62678 (5.49)609/15.17 × 1051.07 (0.99–1.17)1.19 (1.09–1.31)86659 (7.60)952/21.42 × 1051.24 (1.16–1.33)1.34 (1.24–1.44)
 Severe impairment (<0.3)90142 (7.90)773/19.48 × 1051.02 (0.94–1.09)1.26 (1.16–1.37)151325 (13.27)1489/35.74 × 1051.15 (1.09–1.21)1.38 (1.30–1.47)
Corrected acuity
 Normal uncorrected (1.0)903227 (79.18)8441/22.97 × 1061 (Reference)1 (Reference)795250 (69.72)7138/20.14 × 1061 (Reference)1 (Reference)
 Corrected to normal (1.0)225896 (19.80)2123/52.12 × 1051.06 (1.02–1.12)1.21 (1.15–1.28)290790 (25.49)2869/69.38 × 1051.14 (1.09–1.19)1.30 (1.24–1.36)
 Imperfectly corrected (<1.0)11511 (1.01)205/27.75 × 1041.98 (1.72–2.27)1.56 (1.33–1.82)54670 (4.79)762/13.74 × 1051.56 (1.44–1.68)1.38 (1.28–1.50)
Best eyeWorst Eye
N (%)Events/PYARHR (95% CI)N (%)Events/PYARHR (95% CI)
UnadjustedAdjustedaUnadjustedAdjusteda
Uncorrected acuity
 Normal (1.0)903227 (79.18)8441/22.97 × 1061 (Reference)1 (Reference)795250 (69.72)7138/20.14 × 1061 (Reference)1 (Reference)
 Mild impairment (<1.0 to >0.5)84663 (7.42)946/20.27 × 1051.24 (1.16–1.33)1.25 (1.16–1.34)107476 (9.42)1190/25.97 × 1051.27 (1.20–1.35)1.22 (1.14–1.31)
 Moderate impairment (≤0.5 to ≥0.3)62678 (5.49)609/15.17 × 1051.07 (0.99–1.17)1.19 (1.09–1.31)86659 (7.60)952/21.42 × 1051.24 (1.16–1.33)1.34 (1.24–1.44)
 Severe impairment (<0.3)90142 (7.90)773/19.48 × 1051.02 (0.94–1.09)1.26 (1.16–1.37)151325 (13.27)1489/35.74 × 1051.15 (1.09–1.21)1.38 (1.30–1.47)
Corrected acuity
 Normal uncorrected (1.0)903227 (79.18)8441/22.97 × 1061 (Reference)1 (Reference)795250 (69.72)7138/20.14 × 1061 (Reference)1 (Reference)
 Corrected to normal (1.0)225896 (19.80)2123/52.12 × 1051.06 (1.02–1.12)1.21 (1.15–1.28)290790 (25.49)2869/69.38 × 1051.14 (1.09–1.19)1.30 (1.24–1.36)
 Imperfectly corrected (<1.0)11511 (1.01)205/27.75 × 1041.98 (1.72–2.27)1.56 (1.33–1.82)54670 (4.79)762/13.74 × 1051.56 (1.44–1.68)1.38 (1.28–1.50)

Note: PYAR, person-years at risk; HR, hazard ratio.

aAdjusted for age at conscription, calendar year, IQ, socioeconomic status, common mental disorder, parental serious mental illness, alcohol use disorder and substance use disorder.

Table 2.

Association Between Visual Acuity and Non-affective Psychosis

Best eyeWorst Eye
N (%)Events/PYARHR (95% CI)N (%)Events/PYARHR (95% CI)
UnadjustedAdjustedaUnadjustedAdjusteda
Uncorrected acuity
 Normal (1.0)903227 (79.18)8441/22.97 × 1061 (Reference)1 (Reference)795250 (69.72)7138/20.14 × 1061 (Reference)1 (Reference)
 Mild impairment (<1.0 to >0.5)84663 (7.42)946/20.27 × 1051.24 (1.16–1.33)1.25 (1.16–1.34)107476 (9.42)1190/25.97 × 1051.27 (1.20–1.35)1.22 (1.14–1.31)
 Moderate impairment (≤0.5 to ≥0.3)62678 (5.49)609/15.17 × 1051.07 (0.99–1.17)1.19 (1.09–1.31)86659 (7.60)952/21.42 × 1051.24 (1.16–1.33)1.34 (1.24–1.44)
 Severe impairment (<0.3)90142 (7.90)773/19.48 × 1051.02 (0.94–1.09)1.26 (1.16–1.37)151325 (13.27)1489/35.74 × 1051.15 (1.09–1.21)1.38 (1.30–1.47)
Corrected acuity
 Normal uncorrected (1.0)903227 (79.18)8441/22.97 × 1061 (Reference)1 (Reference)795250 (69.72)7138/20.14 × 1061 (Reference)1 (Reference)
 Corrected to normal (1.0)225896 (19.80)2123/52.12 × 1051.06 (1.02–1.12)1.21 (1.15–1.28)290790 (25.49)2869/69.38 × 1051.14 (1.09–1.19)1.30 (1.24–1.36)
 Imperfectly corrected (<1.0)11511 (1.01)205/27.75 × 1041.98 (1.72–2.27)1.56 (1.33–1.82)54670 (4.79)762/13.74 × 1051.56 (1.44–1.68)1.38 (1.28–1.50)
Best eyeWorst Eye
N (%)Events/PYARHR (95% CI)N (%)Events/PYARHR (95% CI)
UnadjustedAdjustedaUnadjustedAdjusteda
Uncorrected acuity
 Normal (1.0)903227 (79.18)8441/22.97 × 1061 (Reference)1 (Reference)795250 (69.72)7138/20.14 × 1061 (Reference)1 (Reference)
 Mild impairment (<1.0 to >0.5)84663 (7.42)946/20.27 × 1051.24 (1.16–1.33)1.25 (1.16–1.34)107476 (9.42)1190/25.97 × 1051.27 (1.20–1.35)1.22 (1.14–1.31)
 Moderate impairment (≤0.5 to ≥0.3)62678 (5.49)609/15.17 × 1051.07 (0.99–1.17)1.19 (1.09–1.31)86659 (7.60)952/21.42 × 1051.24 (1.16–1.33)1.34 (1.24–1.44)
 Severe impairment (<0.3)90142 (7.90)773/19.48 × 1051.02 (0.94–1.09)1.26 (1.16–1.37)151325 (13.27)1489/35.74 × 1051.15 (1.09–1.21)1.38 (1.30–1.47)
Corrected acuity
 Normal uncorrected (1.0)903227 (79.18)8441/22.97 × 1061 (Reference)1 (Reference)795250 (69.72)7138/20.14 × 1061 (Reference)1 (Reference)
 Corrected to normal (1.0)225896 (19.80)2123/52.12 × 1051.06 (1.02–1.12)1.21 (1.15–1.28)290790 (25.49)2869/69.38 × 1051.14 (1.09–1.19)1.30 (1.24–1.36)
 Imperfectly corrected (<1.0)11511 (1.01)205/27.75 × 1041.98 (1.72–2.27)1.56 (1.33–1.82)54670 (4.79)762/13.74 × 1051.56 (1.44–1.68)1.38 (1.28–1.50)

Note: PYAR, person-years at risk; HR, hazard ratio.

aAdjusted for age at conscription, calendar year, IQ, socioeconomic status, common mental disorder, parental serious mental illness, alcohol use disorder and substance use disorder.

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