“…The measurement of MHLC (Forms A and B) refers to wide areas of functioning, health and medical conditions (see Wallston et al, 1978). This generality might also explain the lack of significant associations between the loci and specific measures of health status or health behaviors, such as compliance with fluid-intake restrictions among patients under haemodialysis (Pang, Ip, & Chang, 2001) or number of migraine attacks per year, duration of disease, time of last migraine attack and number of aura symptoms in patients with migraine (Lampi et al, 2003). When health behaviors are under examination, only small amounts of variance are accounted for by the general measure of health locus of control (see Bennett, Norman, Murphy, Moore, & Tudor-Smith, 1997;Steptoe & Wardle, 2001a, 2001b.…”