De Leo Diego, Dello Buono Marirosa, Dwyer Jonathan
Australian Institute for Suicide Research and Prevention, Mt Gravatt Campus, Griffith University, 4111 Queensland, Australia.
Br J Psychiatry. 2002 Sep;181:226-9. doi: 10.1192/bjp.181.3.226.
Previous short-term work reported fewer suicides among elderly users of a telephone helpline and emergency response service (the TeleHelp-TeleCheck Service).
To examine long-term effects of the service on suicide in an elderly population of northern Italy.
The service provided twice-weekly support and needs assessment telephone calls and a 24h emergency alarm service. Data from 1988 to 1998 allowed comparison of 18 641 service users with a comparable general population group of the Veneto region in Italy.
Significantly fewer suicide deaths (n(OBSERVED)=6) occurred among elderly service users (standardised mortality ratio (SMR) 28.8%) than expected (n(EXPECTED)=20.86; chi(2)=10.58, d.f.=1, P<0.001) despite an assumed overrepresentation of persons at increased risk. The service performed well for elderly females (n(OBSERVED)=2, SMR=16.6%, n(EXPECTED)=12.03; chi(2)=8.36, d.f.=1, P<0.001).
The study confirms the initial promise of the TeleHelp-TeleCheck service over a much longer time period. Further research will clarify the apparent lack of benefit for elderly males.
之前的短期研究报告称，使用电话求助热线和应急响应服务（TeleHelp-TeleCheck服务）的老年用户自杀率较低。
研究该服务对意大利北部老年人群自杀的长期影响。
该服务提供每周两次的支持和需求评估电话，并提供24小时紧急报警服务。1988年至1998年的数据使得18641名服务用户能够与意大利威尼托地区一个可比的普通人群组进行比较。
老年服务用户中的自杀死亡人数（观察到的n = 6）明显少于预期（预期n = 20.86；卡方 = 10.58，自由度 = 1，P < 0.001），尽管假定风险增加人群的比例过高。该服务对老年女性效果良好（观察到的n = 2，标准化死亡率（SMR）= 16.6%，预期n = 12.03；卡方 = 8.36，自由度 = 1，P < 0.001）。
该研究在更长的时间段内证实了TeleHelp-TeleCheck服务最初的前景。进一步的研究将阐明该服务对老年男性明显缺乏益处的原因。
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