Table 1 Original SF-36 exemplar items and modification for daily survey

Physical functioning

The following items are about activities you might do during a typical day. Does your health now limit you in these activities? If so, how much?

The following items are about activities you might do during a typical day. Did your health limit you in these activities during the past 24 h? If so, how much?

Bodily pain

How much bodily pain have you had during the past 4 weeks?

How much bodily pain have you had during the past 24 h?

Vitality, mental health

These questions are about how you feel and how things have been with you during the past 4 weeks. For each question, please give the one answer that comes closest to the way you have been feeling. How much of the time during the past 4 weeks . . .

These questions are about how you feel and how things have been with you during the past 24 h. For each question, please give the one answer that comes closest to the way you have been feeling. How much of the time during the past 24 h . . .