Complex sentence: One study on type 2 diabetes concludes that after 6 months, individuals who were coached showed improvement in medication adherence, had a positive effect on patient's knowledge, skill and self-efficacy and behavior change while an non-coached control group did not show any improvement.
Split into simpler sentences: One study on type 2 diabetes concludes that after 6 months, individuals who were coached showed improvement in medication adherence. Coaching had a positive effect on patient's knowledge, skill, self-efficacy and behavior change while an non-coached control group did not show any improvement.