This study investigated an on-line mutual-help group for persons suffe
ring from depression. Postings from two randomly chosen weeks were con
tent coded (N = 1,863 postings; 533 participants; 273 males, 173 femal
es) based on concepts salient to face-to-face mutual-help groups. Part
icipants in the on-line group communicated in ways characteristic of f
ace-to-face groups (e.g., high levels of support, acceptance, and posi
tive feelings); however, they engaged in more emotional support and se
lf-disclosure. Unexepectedly, the group war more highly used by men th
an by women. In addition, the content of men's posts were virtually id
entical to those of women's. On-line mutual help may provide a unique
form of support for persons who are not as likely to use traditional f
orms of helping. (C) 1997 John Wiley & Sons, Inc.