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Table 1 Sri Lankan studies on attempted self-poisoning included in this review

From: Characteristics of non-fatal self-poisoning in Sri Lanka: a systematic review

Randomized Controlled Trials (RCT):
No Study Study Design N Outcomes examined
1 Fleischmann et al. 2005 [13] RCT of brief intervention following attempted suicide 1067 Demographic features, methods used and outcomes
2 Bertolote et al. 2010 [16] Same study as above TAU: 149 BIC: 151 Rate of repetition of attempted suicide at 18 months
Case control:
No Study Study Design N Outcomes examined
3 Seneviratne et al. 1999 [37] Case control 168 cases Demographic features, psychiatric morbidity
4 Van Der Hoek et al. 2005 [14] Case control 253 cases**of which 84% was intentional Demographic features, types of poisons, risk factors
Cross sectional descriptive:
No Study Subjects Number of subjects Outcomes examined
5 Fernando [35] Subjects: patients hospitalized after poisoning 101 Demographic characteristics, poisons used
6 Chandrasena 1981 [29] Subjects: patients hospitalized after poisoning 64 Demographic characteristics, poisons used, psychiatric morbidity
7 Jeyaratnam et al. 1987 [21] Residents in the study area who had a history of hospital admission for poisoning + farmers in agricultural communities in 4 South Asian countries 94 (in Sri Lanka)**of which 36.2% was intentional Types of pesticides used ingested, awareness among consumers of health hazards of pesticides
8 Hettiarachchi et al. 1989 [30] Patients hospitalized due to self-poisoning in South Sri Lanka. 97 Demographic features, types of poisons, reasons for choice of poison and where obtained
9 Hettiarachchi et al. 1989 [33] Same study as above 97 Intent, triggers, psychiatric morbidity
Cross sectional descriptive continued:
No Study Subjects Number of subjects Outcomes examined
10 Eddleston et al. 2005 [7] Patients hospitalized after self-poisoning, in a rural agricultural area, over one year 2189 Demographic characteristics, type of poisons ingested
11 Eddleston et al. 2006 [32] Subjects: patients hospitalized after self-poisoning (opportunistic sample) 268 Reasons for choice of poison, outcome, expected outcome, premeditation
12 De Silva et al. 2008 [26] Inpatients after self-poisoning (Colombo region) 191 Demographic characteristics, types of poisons ingested
13 Fahim et al. 2010 [19] Inpatients after self poisoning (Polonnaruwa & Peradeniya regions) 816 Rate of previous self-harm
14 Dawson et al. 2010 [24] Patients admitted to two rural hospitals after deliberate ingestion of a single pesticide, from 2002 to 2008. 9302 Demographic features, type of pesticide ingested
Retrospective survey of medical records:
No Study Type of records surveyed Number of records Outcomes examined
15 Senewiratne et al. 1974 [18] Records of all inpatients treated at Kandy Hospital for acute poisoning, in 1970 and 1971 472* *of which 82% was intentional Rates of attempted poisoning, demographic features, types of poisons ingested
16 Dissanayake et al. 1974 [20] Police records 1970–72, of the Police Post, General Hospital, Colombo region + Case notes of admissions for poisoning to Colombo Hospital 1970-72 270**of which 49% was intentional104 (non-random sample) Demographic features (age and gender)
17 Jeyaratnam et al. 1982 [12] Randomly selected hospital records of patients discharged with a diagnosis of pesticide poisoning, from hospitals throughout Sri Lanka 1000 Rates of poisoning, demographic features, types of poisons ingested
18 Senanayake et al. 1986 [36] Hospital admissions for acute poisonings in hospitals in selected areas of Sri Lanka (Peradeniya, Colombo, Galle and Jaffna regions) Peradeniya-179 Galle-100 Colombo- 101 Jaffna- 446 Demographic features, types of poisons ingested, associated illness
19 Hettiarachchi et al. 1989 [17] Records of patients hospitalized due to non-fatal poisoning over a 1 year (1986–7) (South Sri Lanka) 669**of which 73% was intentional Prevalence rates, demographic features, types of poisons, case fatality.
Retrospective survey of medical records continued:
No Study Type of records surveyed Number of records Outcomes examined
20 Eddleston et al. 1999 [25] Hospital records of patients treated for self ingestion of oleander plant (1995–96) + Assessment of inpatients after oleander ingestion 415 79 Demographic features, triggers for self-poisoning
21 De Silva et al. 2000 [34] Hospital records of patients hospitalized due to parasuicide in Kandy, Peradeniya, Kurunegala and Matale regions during 1993–94. 5036* *of which >80% was intentional Demographic features, type of poisons ingested
22 Van Der Hoek et al. 2006 [9] Hospital records of patients hospitalized due to poisoning, in South Sri Lanka, from 1990–2002. 8110**of which 64% was intentional Demographic features, rates of poisoning, type of poisons ingested
23 Manuel et al. 2008 [8] Hospital records of patients admitted due to self-poisoning in rural south Sri Lanka + selected economic indices of that area 844 Rates of attempted poisoning, associations with socioeconomic indices
24 Senadheera et al. 2010 [27] Hospital records of children & adolescents admitted to Hospital in South Sri Lanka (Karapitiya region), due to deliberate self-harm 827**of which 99% was due to attempted self-poisoning Demographic features, types of substances ingested, change of substances ingested with time
No Study Study Design N Outcomes examined
25 Van Der Hoek et al. 1998 [23] Mixed methods-Retrospective analysis of hospital records for information on occurrence of pesticide poisoning in the area + Qualitative interviews of families living in a village in a rural agricultural area 526**of which 68% was intentional Quantitative: Socio-demographic features, types of pesticides ingested. Qualitative: Exploration of daily use, practices and storage regarding pesticides
26 Konradsen et al. 2006 [22] Qualitative interviews with those who have attempted intentional self-poisoning, key workers in the area and focus group discussions with those from that community. 159 Exploration of factors and triggers associated with attempted self-poisoning (particularly sociological aspects).