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Table 1 Study Population Baseline Characteristics

From: Psychometric properties of an instrument for assessing the experience of patients treated with inhaled insulin: the Inhaled Insulin Treatment Questionnaire (IITQ)

Characteristic Type 1 Study
(n = 509)
Type 2 Study
(n = 567)
Gender, N (%)   
Male 267 (52.5) 271 (47.8)
Female 242 (47.5) 296 (52.2)
Race, N (%)   
Non-Hispanic White 430 (84.5) 374 (66.0)
African American 33 (6.5) 49 (8.6)
Asian American 6 (1.2) 11 (1.9)
Hispanic 33 (6.5) 121 (21.3)
Other 7 (1.4) 12 (2.1)
Age, Years   
Mean (SD) 37.4 (13.0) 55.4 (10.2)
Duration of Diabetes, Years   
Mean (SD) 18.4 (11.6) 13.1 (7.5)
Weight, Kilograms   
Mean (SD) 76.6 (15.1) 87.8 (17.7)
BMI, kg/m2   
Mean (SD) 26.1 (3.8) 31.4 (4.8)
HbA1c (%)   
Mean (SD) 8.4 (1.0) 8.7 (1.1)
SF-36 PCS   
Mean (SD) 53.3 (6.5) 46.7 (9.2)
SF-36 MCS   
Mean (SD) 50.3 (9.0) 49.2 (10.9)