Affective evaluation and exposure perception of everyday mobile phone usage situations.

Abstract

To understand citizens' reactions to the 5G rollout, their affective reaction and perception of radiofrequency electromagnetic fields (RF-EMF) exposure are of interest. Although precursor studies on 2G-4G have investigated exposure perception mostly quantitatively, the present study applied a qualitative exploratory approach. A number of 35 individual interviews and 6 focus groups with the same participants were conducted in December 2022. Participants were recruited from several locations in Germany, where 5G rollout was at different stages. Interactive tasks, particularly an affective evaluation task and a ranking task, encouraged participants to consider their affect regarding mobile communications and their exposure perception. This approach allowed the participants to first engage with the topic of mobile communications/5G in an intuitive way, before talking about their specific beliefs on RF-EMF exposure. Several pictures showing a person (1) interacting with a mobile phone, (2) surrounded by other peoples' mobile phones, or (3) in the vicinity of mobile phone base stations (antennas) were used as stimulus materials. Data were analyzed using an exploratory content analysis. In the affective evaluation task participants revealed more negative associations with base stations than with mobile phones. The analysis showed that the reasons for their evaluation were very diverse, whereby exposure to RF-EMF only played a subordinate role. Further, the ranking task indicated that most participants (n = 20) felt more exposed from base stations than from mobile devices. Results are mostly in-line with the literature on 2G-4G and do not indicate a substantially different exposure perception for 5G.

AI evidence extraction

Main findings

In an affective evaluation task, participants reported more negative associations with mobile phone base stations than with mobile phones, with RF-EMF exposure cited as a subordinate reason among diverse reasons. In a ranking task, most participants (n=20) reported feeling more exposed from base stations than from mobile devices. The authors state results align with prior 2G–4G literature and do not indicate substantially different exposure perception for 5G.

Outcomes measured

• Affective evaluation/associations regarding mobile communications/5G
• Perceived RF-EMF exposure from mobile phones vs base stations
• Ranking of perceived exposure sources

Limitations

• Qualitative exploratory design; findings may not be generalizable
• No quantitative RF-EMF exposure measurements reported
• Frequency band/technical 5G parameters not specified in abstract

Suggested hubs

• 5g-policy (0.78)
  Study explicitly examines reactions to 5G rollout and perceptions of RF-EMF exposure.

{
    "study_type": "other",
    "exposure": {
        "band": "RF",
        "source": "mobile phone; base station",
        "frequency_mhz": null,
        "sar_wkg": null,
        "duration": null
    },
    "population": "Citizens/participants in Germany (interview and focus group participants)",
    "sample_size": 35,
    "outcomes": [
        "Affective evaluation/associations regarding mobile communications/5G",
        "Perceived RF-EMF exposure from mobile phones vs base stations",
        "Ranking of perceived exposure sources"
    ],
    "main_findings": "In an affective evaluation task, participants reported more negative associations with mobile phone base stations than with mobile phones, with RF-EMF exposure cited as a subordinate reason among diverse reasons. In a ranking task, most participants (n=20) reported feeling more exposed from base stations than from mobile devices. The authors state results align with prior 2G–4G literature and do not indicate substantially different exposure perception for 5G.",
    "effect_direction": "unclear",
    "limitations": [
        "Qualitative exploratory design; findings may not be generalizable",
        "No quantitative RF-EMF exposure measurements reported",
        "Frequency band/technical 5G parameters not specified in abstract"
    ],
    "evidence_strength": "low",
    "confidence": 0.7399999999999999911182158029987476766109466552734375,
    "peer_reviewed_likely": "yes",
    "keywords": [
        "5G rollout",
        "risk perception",
        "affective evaluation",
        "exposure perception",
        "RF-EMF",
        "mobile phones",
        "base stations",
        "Germany",
        "qualitative interviews",
        "focus groups"
    ],
    "suggested_hubs": [
        {
            "slug": "5g-policy",
            "weight": 0.7800000000000000266453525910037569701671600341796875,
            "reason": "Study explicitly examines reactions to 5G rollout and perceptions of RF-EMF exposure."
        }
    ]
}

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