Table 2. Beliefs about Medications Questionnaire scores by adherence groups.

	Low adherence	High adherence	p-value*
	(mean ± SD)	(mean ± SD)
HARM	14.3±3.2	12±2.5	<0.01
1. People who take medication should stop their treatment for a period of time once in a while.	2.3±1.1	1.9±0.7	0.13*
2. Most of the medicines are addictive	3.3±1.2	2.9±1.1	0.05*
3. Natural remedies are safer than medicines	3.4±1.1	2.7±1	<0.01*
4. Medicines do more harm than good	2.6±0.8	2.1±0.6	<0.01*
5. All medicines are toxic	2.7±1.1	2.4±1	0.13*
OVERUSE	10.8±2.5	10.3±2.2	0.19 *
1. Doctors prescribe too many medicines	3±1.1	2.8±1.1	0.23*
2. Doctors place too much trust on medicines	3.8±0.9	3.7±0.8	0.25*
3. If doctors spent more time with patients, they would prescribe fewer medicines.	3.9±1.1	3.8±1.2	0.81*
NECESSITY	19.2±4.2	20.6±3.7	0.10 *
1. Currently, my health depends on my medication	3.8±1	4.2±0.9	0.03*
2. My life would be impossible without medication	3.6±1.2	3.8±1.2	0.18*
3. Without medication I would be very ill	3.9±1	4±1.1	0.29*
4. My health in the future will depend on my medication	3.9±0.9	4.2±0.9	0.08*
5. My medication prevents my condition from worsening	4±0.8	4.4±0.7	0.02*
CONCERN	17.4±3.5	14.4±4	<0.01 *
1. Having to take my medicines worries me	3.8±1	2.9±1.2	<0.01*
2. I sometimes worry about the long-term effects of my medication	3.9±1	3.2±1.2	<0.01
3.My medicines are a mystery to me	3.6±1	2.8±1.1	<0.01
4. My medication disrupts my life	2.8±1.1	2.3±1	0.03*
5. I sometimes worry about being too dependent on my medicines	3.4±1.1	3.2±1.3	0.41*
NECESSITY-CONCERN	1.8±4.7	6.2±4.6	<0.01

*All p-values calculated with t-tests, except in those indicated with an asterisk where U Mann-Whitney was used.