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Hat Size in Schizophrenia

Michael A. Reveley, MD, MRCPsych; Adrianne M. Reveley, MB, BCh, MRCPsych
Arch Gen Psychiatry. 1987;44(7):673-674. doi:10.1001/archpsyc.1987.01800190093017.
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To the Editor.—  We have taken note of the careful study by Andreasen et al1 that found decreased cerebral andCorrelation of Head Size to Occupation* Occupation Head Circumference by Occupation, mm Minimum Frontal Diameter by Occupation, mm No. of Subjects Mean SD Difference From Professional, t/PMean SD Difference From Professional,t/P Laborer 647 560.66 16.44 3.13/.01 111.58 5.0 2.86/.01 Personal service 262 562.70 15.60 3.13/.01 111.58 4.40 2.82/.01 Skilled trade 351 562.94 16.20 2.31/.05 111.58 5.04 2.82/.01 Public service 25 564.14 18.60 NS 110.22 4.36 3.29/.01 Factory 660 564.74 15.96 NS 112.14 4.72 2.35/.05 Extractive 1188 564.74 15.72 NS 111.18 4.84 3.26/.01 Transportation 282 564.86 14.88 NS 111.62 4.68 2.78/.01 Trade 194 565.70 16.32 NS 111.46 4.72 2.89/.01 Clerical 107 566.18 17.52 NS 111.82 4.92 2.16/.05 Semiprofessional 61 566.54 16.80 NS 112.86 6.52 NS Professional 25 569.90 14.40 NS 114.66 5.40 NSAdapted from Hooten.2Table 1.—Mean


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