Table 1.

Participants’ Characteristics and Patient-Reported Coordination Scores

Specialty Care Use (No. of Visits)a
CharacteristicsLow (0–9) n (%)High (10+) n (%)Total, N (%)Coordination Score Mean (SD)b
CAD = coronary artery disease; RxRisk = medication-based risk adjustment measure.36
a χ2 Test compared percentages between low and high specialty care use groups.
b One-way analysis of variance compared mean coordination across covariate groups.
c P <.01.
d P <.001.
Total1,552 (76)499 (24) c2,051 (100)77.7 (21) d
Sex
    Female910 (59)259 (52)1,169 (57)76.2 (22)
    Male642 (41)240 (48) d882 (43)79.6 (19) c
Race
    White1,312 (85)461 (93)1,773 (87)78.2 (20)
    Nonwhite231 (15)35 (7)266 (13)74.1 (23)
Age, y
    65–69158 (10)43 (8)201 (10)75.3 (22)
    70–74243 (16)68 (14)311 (15)77.7 (20)
    75–79330 (21)121 (24)451 (22)79.5 (20)
    80–84379 (24)128 (26)507 (25)77.0 (21)
    85+442 (29)139 (28) d581 (28)77.7 (21)
Chronic disease
    CAD only564 (36)231 (46)795 (39)77.2 (21)
    Diabetes only697 (45)132 (27)829 (40)78.5 (21)
    Both CAD and diabetes291 (19)136 (27) d427 (21)77.1 (21) d
Self-rated health
    Excellent/very good321 (21)75 (16)396 (20)82.6 (19)
    Good669 (44)195 (40)864 (43)78.2 (20)
    Fair/poor519 (35)213 (44) d732 (37)74.4 (22)
RxRisk
    Low539 (35)125 (25)664 (33)77.4 (21)
    Medium549 (35)148 (30)697 (34)77.9 (21)
    High460 (30)222 (45) d682 (33)77.8 (20)
Any hospitalizations
    Yes305 (20)252 (51)557 (27)76.4 (21)
    No1,247 (80)247 (49)1,494 (73)78.2 (21)