Table 7.
True/ False | % answered correctly | % answered incorrect | % answered I don’t know | |
---|---|---|---|---|
The cut off for body mass index (BMI) to indicate obesity is > 29.9 kg/m2. | T15 | 239(71.1) | 41(12.2) | 56(16.7) |
An initial weight loss goal should be to lose more than 10% of current body weight in 6 months | F 27,28,36 | 82(24.3) | 175(51.9) | 80(23.7) |
Once a weight loss goal is achieved it is okay to discontinue treatment.a | F29 | 172(51.0) | 146(43.3) | 19(5.6) |
Laxatives are considered very useful method to lose weight in obese persons. | F30 | 262(77.5) | 66(19.5) | 10(3.0) |
Herbal Laxative (like senna, cascara, etc) are recommended for pregnant or breast feeding women | F31 | 282(83.4) | 42(12.4) | 14(4.1) |
High consumption of green tea may exert toxicity to liver cells. | T32 | 152(45.2) | 71(21.1) | 113(33.6) |
Orlistat use is associated with a higher incidence of gastrointestinal adverse events compared with placebo. | T33 | 226(67.1) | 71(21.1) | 40(11.9) |
The chronic use laxatives may potentiate the effects of diuretics which may lead to significant losses of fluid and electrolytes, including sodium, potassium, magnesium and zinc. | T34 | 267(79.2) | 41(12.2) | 29(8.6) |
Concomitant use of large quantities of green tea may increase the effectiveness of anticoagulation drugs (warfarin). | F 30,31,35 | 58(17.3) | 143(42.7) | 134(40.0) |
Orlistat is contraindicated in patients with cardiovascular diseases. | F33 | 184(54.6) | 109(32.3) | 44(13.1) |
a Interviewers were trained to indicate that ‘treatment’ in this question referred to ‘dietary changes’