Table 1.

Sample characteristics.

Hospital’s namea	Number of page likes as of the data collection date	Number of posts
		March 2014	April 2014	May 2014	Total
Mount Sinai Medical Center	64,932	21b	22b	54	97
Barnes-Jewish Hospital Washington University	62,936	27	43	37	107
New York-Presbyterian University Hospital of Columbia and Cornell	42,159	23	36	47	106
Rush University Medical Center	30,254	16b	17b	13	46
University of Pittsburgh Medical Center	27,337	39	53	58	150
Stanford Hospital and Clinics	26,316	14	15	14	43
Brigham and Women's Hospital	20,109	36	45	30	111
National Jewish Health, Denver-University of Colorado Hospital	19,074	5b	18b	54	77
Shepherd Center	15,153	31	35	36	102
Cedars-Sinai Medical Center	12,300	25	25	32	82
Yale-New Haven Hospital	10,540	11b	16b	28	55
Northwestern Memorial Hospital	9452	47	84	58	189
Thomas Jefferson University Hospital	8326	74	65	73	212
Massachusetts General Hospital	7574	8b	25b	20	53
NYU Langone Medical Center	7185	26	31	28	85
Florida Hospital	6977	40	34	27	101
Magee-Women’s Hospital of UPMC	5622	36	37	33	106
Total	376,246	479	601	642	1722

^aThe hospitals are ordered in the table based on the number of their followers (ie, page likes) on Facebook.

^bThe numbers are associated with the posts analyzed during the first phase of the study.