Table 3.

Multiple regression analyses of ANS activity, age, sex, Body mass index, GAF, duration of illness, CPZeq, BPDeq, and DZPeq as independent variables

	ANS activity
	lnLF		lnHF
Independent variable	β	P	β	P
Age	−0.197	0.375	−0.015	0.938
Sex	0.252	0.086	0.237	0.063
Body mass index	−0.024	0.880	0.047	0.733
GAF	−0.004	0.978	0.046	0.724
Duration of illness	−0.017	0.924	−0.157	0.300
CPZeq*1	−0.369	0.048*2	−0.415	0.011*3
BPDeq*4	−0.089	0.584	−0.259	0.070
DZPeq*5	−0.201	0.219	−0.151	0.284

*¹The daily dose of antipsychotic drug was converted to approximate chlorpromazine equivalent.

*^2,3Significant difference (P < 0.05).

*⁴The daily dose of anticholinergic antiparkinsonian drug was converted to approximate biperiden equivalent.

*⁵The daily dose of anxiolytic drug was converted to approximate diazepam equivalent.