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Size of the social network versus quality of social support: which is more protective against PTSD?

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Abstract

Purpose

Supportive social networks are important to the post-traumatic response process. However, the effects of social network structure may be distinct from the perceived function of those networks. The present study examined the relative importance of role diversity and perceived strength of social support in mitigating post-traumatic stress disorder (PTSD).

Methods

Data were drawn from respondents who report lifetime potentially traumatic events in the National Epidemiologic Survey on Alcohol and Related Conditions (N = 31,650). The Social Network Index (SNI) was used to measure the diversity of social connections. The Interpersonal Support Evaluation List (ISEL-12) was used to measure the perceived availability of social support within the network. Odds of current PTSD were compared among individuals representing four dichotomous types of social support: high diversity/high perceived strength, high diversity/low perceived strength, low diversity/high perceived strength, and low diversity/low perceived strength to examine which type of support is more protective against PTSD.

Results

Unadjusted odds of PTSD were 1.59 (95 % CI 1.39–1.82) for those with low versus high perceived support strength, and 1.10 (0.94–1.28) among those with non-diverse versus diverse social networks. Compared to the reference group (high diversity/high perceived strength), the adjusted odds of current PTSD were higher for two groups: low diversity/low perceived strength (OR = 1.62; 1.33–1.99), and low diversity/high perceived strength (OR = 1.57; 1.3–1.91). The high diversity/low perceived strength group had no greater odds of PTSD (OR = 1.02; 0.81–1.28).

Conclusion

The diversity of a social network is potentially more protective against PTSD than the perception of strong social support. This suggests that programs, which engage individuals in social groups and activities may effectively attenuate the risk of PTSD. A better understanding of how these networks operate with respect to PTSD prevention and mitigation holds promise for improving psychiatric health.

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On behalf of all authors, the corresponding author states that there is no conflict of interest.

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  1. Columbia University Mailman School of Public Health, New York, NY, USA

    Jonathan Platt, Katherine M. Keyes & Karestan C. Koenen

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  1. Jonathan Platt
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  2. Katherine M. Keyes
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  3. Karestan C. Koenen
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Correspondence to Jonathan Platt.

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Platt, J., Keyes, K.M. & Koenen, K.C. Size of the social network versus quality of social support: which is more protective against PTSD?. Soc Psychiatry Psychiatr Epidemiol 49, 1279–1286 (2014). https://doi.org/10.1007/s00127-013-0798-4

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