Quality of life (QOL) scores were calculated for all respondents as well as high and low spice & herb user subgroups, using the approach outlined on the WHOQOL user manual (WHOQOL, 1995, 1997, 1998a, 1998b
Quality of life (QOL) scores were calculated for allrespondents as well as high and low spice & herb user subgroups,using the approach outlined on the WHOQOL user manual(WHOQOL, 1995, 1997, 1998a, 1998b