HLTH 4360 Week 10 Bus Operator Setting Analysis Example

The Bus Operator's Cab as a Stress Setting: Fixed Running Times in Variable Traffic, Split Shifts, Short Layovers and Passenger Conflict, Analyzed at the Level of the Job

Student Name

Walden University

HLTH 4360: Stress Management and Wellness

Instructor Name

Month Day, Year

The Bus Operator's Cab as a Stress Setting: Fixed Running Times in Variable Traffic, Split Shifts, Short Layovers and Passenger Conflict, Analyzed at the Level of the Job

The Setting and the Level of Analysis

This paper analyzes one setting, the driver's seat of an urban transit bus, as a source of stress. The setting is described through a composite agency, Lakeshore Transit, which runs 40 bus routes in a mid-sized U.S. city with about 600 operators. The analysis is structural. It describes features of the job that every operator meets, regardless of who holds the seat, and argues how those features generate demand. It does not describe any individual operator's health, temperament or coping, and when evidence comes from studies of drivers, the features measured in those studies are what the paper uses. Each feature is documented from published research on bus driving, since the agency is composite.

Why Bus Driving Is Studied as a Stress Setting

Bus driving has been studied as a high-strain occupation for decades. Tse et al. (2006), reviewing 50 years of research, report that bus drivers have poorer health than many other occupational groups, with elevated rates of cardiovascular, gastrointestinal and musculoskeletal problems, and that the job's psychosocial and physical conditions are the most likely explanations. An earlier international review reached a similar conclusion, describing the job as combining high demands with low control (Kompier & Di Martino, 1995). That combination is the pattern Karasek (1979) identified as job strain.

Feature 1: Fixed Running Times in Variable Traffic

At Lakeshore, as at most agencies, each trip has a published timetable with fixed running times between time points. Traffic, however, varies by hour, weather and incident. The operator is held to the schedule but controls almost none of what determines whether it can be met. Evans and Carrère (1991) studied urban bus drivers and found a strong association between exposure to peak traffic conditions and on-the-job elevations of urinary catecholamines, which remained after controls for seniority, age and smoking. Reductions in perceived control on the job partly accounted for the link. The demand in this feature is therefore generated by the gap between a fixed schedule and a variable road, and it falls on whoever is driving.

Feature 2: Layover and Recovery Time

Timetables include layover, or recovery, time at the end of each trip, which absorbs delays and gives operators time for a break and a restroom. When traffic runs late, the delay is taken from layover first, because the next departure time stays fixed. A late trip therefore shortens the only rest period in the cycle, and a run of late trips can remove it entirely. The structure converts a traffic delay into lost recovery, regardless of the operator.

A worked example from a typical Lakeshore timetable shows the arithmetic. Route 14 is scheduled at 42 minutes from end to end, followed by 8 minutes of layover before the return trip. On a weekday afternoon, an incident on the bridge adds 12 minutes. The operator arrives 12 minutes late, the 8 minutes of layover are already gone and the return trip leaves 4 minutes behind schedule. The operator has had no break, and the next trip begins under the same time pressure that produced the delay. Two such trips in a row can leave an operator in the seat for more than three hours without a rest, even though the timetable on paper allows a break every 50 minutes. Nothing in this sequence depends on the operator's skill or attitude; it follows from how running time and layover are allocated.

Feature 3: Split Shifts and Irregular Hours

Transit demand peaks twice a day, so agencies schedule split shifts: a morning piece and an afternoon piece separated by an unpaid gap of several hours. Combined with early starts and late finishes, this stretches the working day well beyond paid hours. Tse et al. (2006) identify shift patterns among the organizational stressors in the bus-driving literature. The demand here is temporal: the job occupies the day in two blocks, and the gap is often too short to go home and too long to rest well.

Feature 4: Passenger Contact and Conflict

The operator works alone with the public, enforcing fares and rules while driving. Fare disputes, abusive passengers and, at the extreme, assaults are part of the setting rather than events that happen to particular people. Johansson et al. (1998) had observers record job hassles for 46 urban drivers, using a standardized list of stress-related events in traffic and on the bus, and measured blood pressure, heart rate and perceived mental strain after each route segment. One group of drivers showed consistent positive associations between the frequency of hassles and their physiological reactions, and that group had higher blood pressure and strain ratings in the unwinding phase after work.

Feature 5: The Physical Cab

The operator sits for most of the shift in a fixed seat, exposed to noise, vibration and temperature changes, with limited room to change posture. The musculoskeletal problems noted in the reviews are consistent with this design (Tse et al., 2006). Like the others, this feature acts on whoever occupies the seat.

How the Features Generate Demand Together

The features compound. A congested afternoon makes a trip late, which removes layover, which removes the break, which lengthens continuous time in the seat, during which passenger conflicts occur. Each step follows from how the job is scheduled. The common thread is low control: in every row of the table, the operator has little or no say over the feature that creates the demand, which is the core of the job strain model (Karasek, 1979).

Table 1

Structural Features of the Bus Operator's Job and the Demand Each Generates

Features drawn from published reviews of bus drivers' work (Kompier & Di Martino, 1995; Tse et al., 2006).

The Test of the Analysis

A structural analysis is tested by asking whether the demand would remain if a different person sat in the seat. For every feature above, the answer is yes. A calmer operator might appraise traffic differently, but the schedule gap, the shortened layover, the split shift and the cab remain. That is why work-directed changes to schedules, cabs and staffing are treated in this literature as levers alongside programs aimed at drivers. Kompier et al. (2000) compared 13 natural experiments at bus companies in several countries, some directed at the work and some at the person, and found that the variety of programs, outcome measures and methodological flaws made a general verdict difficult, although the outcomes they could analyze pointed toward positive effects.

Limits

The agency is composite, so its features are typical rather than measured. The studies cited were done in several countries and decades, and U.S. agencies differ in schedules and labor rules. The analysis also leaves aside differences between operators, such as experience or health, by design; they matter, but they are a different level of analysis.

References

Evans, G. W., & Carrère, S. (1991). Traffic congestion, perceived control, and psychophysiological stress among urban bus drivers. Journal of Applied Psychology, 76(5), 658-663. https://doi.org/10.1037/0021-9010.76.5.658

Johansson, G., Evans, G. W., Rydstedt, L. W., & Carrere, S. (1998). Job hassles and cardiovascular reaction patterns among urban bus drivers. International Journal of Behavioral Medicine, 5(4), 267-280. https://doi.org/10.1207/s15327558ijbm0504_2

Karasek, R. A. (1979). Job demands, job decision latitude, and mental strain: Implications for job redesign. Administrative Science Quarterly, 24(2), 285-308. https://doi.org/10.2307/2392498

Kompier, M. A. J., Aust, B., van den Berg, A.-M., & Siegrist, J. (2000). Stress prevention in bus drivers: Evaluation of 13 natural experiments. Journal of Occupational Health Psychology, 5(1), 11-31. https://doi.org/10.1037/1076-8998.5.1.11

Kompier, M. A. J., & Di Martino, V. (1995). Review of bus drivers' occupational stress and stress prevention. Stress Medicine, 11(1), 253-262. https://doi.org/10.1002/smi.2460110141

Tse, J. L. M., Flin, R., & Mearns, K. (2006). Bus driver well-being review: 50 years of research. Transportation Research Part F: Traffic Psychology and Behaviour, 9(2), 89-114. https://doi.org/10.1016/j.trf.2005.10.002