TABLE 1.

Summary of accessibility subscale content and distribution of item responses. (Detailed distribution available at http://www.longwoods.com/content/22635).

Subscale and Item Description	Response Scale	Range Missing Values	Overall Modal Response	Range Item Discriminability	Comments on Distribution
PCAS Organizational Access (6 items) Rate doctor's office for: Location, hours, usual wait for an appointment; usual wait at the clinic, ability to get through to the doctor's office or to speak to the doctor by phone	Likert evaluative, 1=very poor to 6=excellent	1%–6%	4 (good)	0.83 (office location) to 2.4 (speak to doctor by phone)	Approximately 60% of responses in two most positive categories; lowest rating for “speak to doctor by phone”
PCAT–S First-Contact Utilization (3 items) Likelihood of seeking care for routine or a new problem and the need for referral to see a specialist	Likert evaluative, 1=definitely not to 4=definitely	1%–2% (true missing) 0%–4% not sure	4 (definitely)	0.87 (referral) to 4.7 (first place to seek routine care)	Over 65% of responses in the most positive category
PCAT–S First-Contact Access (4 items) When clinic open: Likelihood of being seen same day; getting advice over the phone When clinic closed: Having a phone number to call; likelihood of being seen by doctor during the night	Likert evaluative, 1=definitely not to 4=definitely	2% (true missing) 6%–18% not sure	variable, according to the item	1.06 (open) to 2.99 (phone number when closed)	Item score in decreasing order; 16%–18% “not sure” when clinic closed; 40% can definitely not be seen at night
EUROPEP-I Organization of Care (7 items) Rate care by GP: Preparation for what to expect from specialty care; helpfulness of staff; getting a suitable appointment; getting through to the practice over the phone; speaking to GP on the phone; waiting time in waiting room; getting quick services for urgent problems	Semantic differential rating, 1=poor, 5=excellent	4%–5% (true missing) 1%–13% (n/a)	5 (excellent)	1.55 (preparation for other care) to 2.86 (quick services)	Lowest rating for “speak to GP on the phone.” Three items with “not applicable”: preparation for specialty care (12%), speak to GP on the phone (13%) and quick services (11%)