Administrative Claims, Healthcare Adult Aged Aged, 80 and over Article Bronchodilator Agents Female Humans Logistic Models Male Medicare Part C Medication Adherence Middle Aged Pharmaceutical Services Pulmonary Disease, Chronic Obstructive Retrospective Studies Risk Assessment United States aclidinium bromide administrative claims (health care) adult aged agents interacting with transmitter, hormone or drug receptors antiinflammatory agent antilipemic agent assessment of humans bronchodilating agent central nervous system agents cholinergic receptor blocking agent chronic obstructive lung disease