Table 1.

Participants’ baseline characteristics.

Participant number	Gender	Age (years)	Married	Live alone	Condition
N1	Male	70-75	Yes	No	COPDa and hypertension
N2	Female	60-65	No	Yes	COPD, asthma, and tachy-brady syndrome
N3	Female	75-80	Yes	Yes	Asthma, thyroid disease, and obstructive sleep apnea
N4	Female	65-70	Yes	No	Asthma
N5	Male	65-70	Not stated	Yes	COPD and ulcerative colitis
N6	Female	80-85	No	Yes	COPD and heart failure
N7	Female	75-80	No	Yes	COPD, interstitial lung disease, and hypothyroidism

^aCOPD: chronic obstructive pulmonary disease.