Table 1

Participant characteristics

Participant characteristicsPatientsPhysicians
Subjects n11555
Age yrs67.2±9.543.4±9.0
Duration oxygen use months35.0±24.6
FEV1 % pred29.0±14.3
Time since med school graduation yrs16.4±10.2
Male72 (83)80 (45)
White84 (96)84 (46)
Married or with partner46 (53)
Education
 ≤8th grade4 (5)
 9–12th grade39 (45)
 >12th grade/some college34 (39)
 College degree12 (14)
 >College9 (10)
Health insurance
 Private, prepaid21 (24)
 Government programme94 (108)
 None1 (1)
Monthly income
 ≤$5002.6 (3)
 $501–$150043.5 (50)
 $1501–$300020.9 (24)
 ≥$300122.6 (26)
Type of practice
 Solo or small group private5.4 (3)
 Group practice14.3 (8)
 HMO10.7 (6)
 VA clinic42.9 (24)
 University clinic14.3 (8)
 County hospital clinic10.7 (6)
Specialty
 Family practice7.5 (4)
 Internal medicine82.1 (46)
 Other8.9 (5)
Subspecialty training#
 Pulmonary58.9 (33)
 Critical care50.0 (28)
COPD patients cared for n
 >200 patients44.6 (25)
  • Data are presented as mean±sd or % (n). FEV1: forced expiratory volume in one second; HMO: health maintenance organisation; VA: veteran affairs; COPD: chronic obstructive pulmonary disease

  • #: respondents were able to endorse more than one subspecialty